Use both numeric and algebraic solution methods to solve each problem. Then tell which one you prefer and why.

Five less than three times a number is 25. What is the number?

In January 2017, the Congressional Budget Office (CBO) noted that its “estimate of the deficit for 2017 has decreased since August 2016.” The CBO also noted that its “economic forecast underlies its budget projections.”

Why would the CBO’s forecast of future levels of GDP and employment matter for its forecasts of future federal budget deficits?

An air conditioner with a power input of 1.2 kW is working as a refrigerator $(\beta=3)$ or as a heat pump $\left(\beta^{\prime}=4\right)$. It maintains an office at 20$^{\circ} \mathrm{C}$ year round that exchanges 0.5 kW per degree temperature difference with the atmosphere. Find the maximum and minimum outside temperatures for which this unit is sufficient.

Ceiling fans use electric motors that involve stationary permanent magnets (called stators) attached to the central hub and with a typical strength of 1.0 T, that supply torque to current-carrying coils (called rotors) fixed to the fan blades. Think of a ceiling fan at your home or workplace.

Estimate the diameter of the central hub at the inner edge of the blades.

What exactly do we mean when we say that children learn consumer skills, consumption-related attitudes, and consumption-related preferences?

Some workers use technology such as smart phones, e-mail, and computers to work at home rather than in the office. The table lists telecommuters in millions from 2001 to 2006 .

Find values for a and b so that $f(x)=a+b \ln x$ models the data, where x=1 corresponds to 2001, x=2 to 2002 , and so on.

Read the passage in Section 4 under the heading "Winning American Support for the War." Then answer the questions that follow. 21. The government demonstrated its need to influence public opinion on the war by A making Hollywood movies. B establishing the Office of War Information. C outlawing religious services. D forbidding negative talk about the war effort.

Go to sda.berkeley.edu/ GSS and find a variable that is associated with happiness, other than variables used in this chapter. Use methods from this chapter to describe and make inferences about the association, in a one-page report.

Which of the following can be a negative consequence of drug use? (a) Temporary euphoria, (b) Decrease in tolerance, (c) Contraction of an STD, (d) Strengthened refusal skills.

When the oil business was developing and we needed more help, I at once thought of Mr. Flagler as a possible partner, and made him an offer. ... This offer he accepted. ... For years and years this early partner and I worked shoulder to shoulder; our desks were in the same room.... We met and walked to the office together.... On these walks, when we were away from the office interruptions, we did our thinking, talking, and planning together. Mr. Flagler drew practically all our contracts. He has always had the faculty of being able to clearly express the intent and purpose of a contract so well and accurately that there could be no misunderstandina, and his contracts were fair to both sides.

Based on Rockefeller's description of their work, was the partnership between Rockefeller and Flagler a general partnership or a limited partnership? How can you tell?

Translate each sentence into an algebraic equation. a) One fifth of a number, decreased by 17, is 41. b) Twice a number, subtracted from five, is three more than seven times the number. c) When tickets to a play cost $5 each, the revenue at the box office is$825. d) The sum of the length and width of a backyard pool is 96 m.

Which part of the brain controls the involuntary movements of the digestive system? (1) $A$ (2) $B$ (3) $C$ (4) $D$

Identify the artistic movements of this period, using a chart like the one given on page.

Abby, Deborah, Julie, Sam, and Roberto work in a firm's public relations office. Their employer must choose two of them to attend a conference in Paris. To avoid unfairness, the choice will be made by drawing two names from a hat. (This is an SRS of size 2.) The random drawing makes all choices equally likely. What is the probability of each choice?