You are preparing a computer presentation to be digitally projected onto the wall of your classroom. Your computer screen is 13.25 inches wide and 10.6 inches high. The projected image on the wall is 53 inches wide and 42.4 inches high. Are the two shapes similar? If so, find the scale factor of the computer screen to the projected image.

The physical devices that a computer is made of are referred to as_______
a. hardware
b. software
c. the operating system
d. tools

$$30 ^ { 2 }$$

Networking and telecommunications technologies, along with computer hardware, software, data management technology, and the people required to run and manage them, constitute an organization's:

A) data management environment.
B) networked environment.
C) information technology (IT) infrastructure.
D) information system.
E) culture.

A movie theater offers 30% off the price of a movie ticket to students from your school. The regular price of a movie ticket is $8.50. What is the discounted price that you would pay for a ticket? A.$2.55 B. $5.50 C.$5.95 D. $8.20

Suppose you are told that ΔPQR ~ ΔXYZ and that the extended ratio of the angle measures in ΔPQR is x : x + 30 : 3x. Do you need to know anything about ΔXYZ to be able to write its extended ratio of angle measures? Explain your reasoning.

The physical devices that a computer is made of are referred to as _________. a. hardware b. software c. the operating system d. tools

Triangles NPQ and RST are similar. The side lengths of triangle ∆NPQ are 6 inches, 8 inches, and 10 inches, and the length of an altitude is 4.8 inches. The shortest side of ∆RST is 8 inches long. 22. Find the length of the corresponding altitude in ∆RST

In table tennis, the table is rectangle 9 ft. long and 5 ft. wide. A tennis court is a rectangle 78 feet long and 36 feet wide. Are the two surfaces similar? Explain. If so, find the scale factor of the tennis court to the table.

Data are presented on the fastest speed that men and women had driven a car, and dotplots were shown for each sex. (a). Create a stem-and-leaf plot for the male speeds. (b). Create a histogram for the male speeds. (c). Compare the pictures created in (a) and (b) and the dotplot. Comment on which is more informative, if any of them are, and comment on any other differences that you think are important. (d). How would you describe the shape of this dataset?

The figure shows current population with a forecast of population for 2050 for the six most populated countries of the world. Use the data to answer the question below.

Population with a Forecast

China was the most populous country in the world in 2000. What country is forecast to be the most populous by 2050? What is the difference between the forecast population of this country and China in 2050?

Your friend says the solutions of the inequality

$$−2(3−x)>2x−6$$

are all real numbers. Do you agree with your friend? Explain. What if the inequality symbol were

$$\geq ?$$

The population of India was 435 million in 1960(t=0) and 487 million in 1965(t=5). The projected population for 2050 is $1.57$ billion. Use the solution of the logistic equation and the 2050 projected population to determine the carrying capacity.

The United States spends more money on health care than any other country. To gauge how fast costs are rising we recorded the total health care costs since 1950.