You worked 38 hours waiting tables at a restaurant last week, earning $8.75 per hour. In addition, you received$326.86 in tips for the week. How much money did you make per hour, including tips?

Determine the amplitude, period, and phase shift of each function. Then graph one period of the function.

$$y = \frac { 3 } { 2 } \cos \left( 2 x + \frac { \pi } { 4 } \right)$$

How is the sample space for P(B | A) different from the sample space for P(8)?

What are two ways in which scientist can show creativity?

Given $\mathbf { r } ( t ) = \left\langle 2 e ^ { t } , e ^ { t } \cos t , e ^ { t } \sin t \right\rangle$, find the unit normal vector $\mathbf { N } ( t )$ evaluate at t=0, $\mathbf { N } ( 0 )$.

Monochromatic light of frequency $5.5\times 10^{14}$ Hz falls on 10 slits separated by 0.020 mm. What is the separation between the first and third maxima on a screen that is 2.0 m from the slits?

In all exercises, other than

$$\oslash$$

use interval notation to express solution sets and graph each solution set on a number line. Solve each linear inequality.

$$5 x + 11 < 26$$

Identify four situations that can affect the control of a motorcycle or scooter. For each situation, describe the actions a driver can take to reduce the risks to the motorcycle or scooter rider.

One more piece of information is given than is necessary for solving the problem. Identify this unnecessary piece of information . Then solve the problem. An architect is designing a house. The scale on the plan is 1 inch = 6 feet. If the house is to have a length of 90 feet and a width of 30 feet, how long will the line representing the house's length be on the blueprint ?

What would happen to the height of the water in the capillary tube if the sucrose concentration was increased?

Graph each inequality.

$$( x + 2 ) ^ { 2 } + ( y - 1 ) ^ { 2 } < 16$$

How does the 3dxy orbi tal of an electron in O^7+ resemble the 3dxy orbit al of an electron in a hydro gen atom? How does it differ?

You just learned to write percents using a ratio or a decimal written in hundredths. Convert each fraction, decimal, or ratio below to a percent. If not already in hundredths, first convert to hundredths and then write as a percent. a. 0.45 b. 34/100 c. 0.9 d. 7/10 e. 11/25 f. 0.30

A proton is placed in a uniform electric field of $2.75 \times 10 ^ { 3 } \mathrm { N } / \mathrm { C }$. Calculate (a) the magnitude of the electric force felt by the proton; (b) the proton’s acceleration; (c) the proton’s speed after $1.00 \mu \mathrm { s }$ in the field, assuming it starts from rest.