Find the 21st term in the following arithmetic sequence:

-1,-3,-5,-7, ...

The equation F= C + 32 gives the Fahrenheit temperature F corresponding to the Celsius temperature C Find the Fahrenheit temperature equivalent to 30°C The Fahrenheit temperature equivalent to 30°C is °F (Simplify your answer.

Describe how the graph of each function is related to a basic trigonometric graph. Then, graph two periods. 1. y=0.5 cos (3x) Description: 2. y=-2 sin (2πx/3) Description:

An outfielder throws a baseball to the player on third base. The height h of the ball in feet is modeled by the function h (t) = - 16 t2 + 19 t + 5, where t is time in seconds.

17. A grab bag contains 3 football cards and 7 basketball cards. An experiment consists of taking one card out of the bag. replacing it, and then selecting another card.

Beau charges a $10 base fee plus $5 per hour to mow yards. Jaime charges a $12 base fee plus $4.50 per hour. At what time will beau and Jaime be charging the same total fee?

Solve. A recent advertisement claimed that 2 out of every 5 doctors recommend a certain herbal supplement to increase energy levels.

What is 4 divided by 230

Over a period of five days, the average time of a commuter train trip from one town to the city was 77 minutes. One trip was 71 minutes, another was 74, and two each were 78 minutes. How many minutes long was the fifth trip?

A 4 pound package of peanuts is divided into 1/4 pound packages. How many 1/4 pound packages will there be?

An item sells two for 66. what should 5 items