Find the difference

16. - 17-20

17. 16 - (-50)

18. - 9 - (-12)

19. 4/5-1/2

20. - 1/2 - 2/3

A two-day moving truck rental from Best Rentals costs $60 and $0.35 per mile driven. A two-day moving truck rental from Easy Movers costs $80 and $0.25 per mile driven. Let m represent the number of miles driven.

The function f (x) = log0.5 x is decreasing true or false?

Each day, Roxie walks for 15 minutes and runs for m minutes. Which representation shows the relationship between m and t, the total number of minutes that Roxie exercises?

In a certain city, 80 percent of the households have cable television and 60 percent of the households have videocassette recorders.

Factor n^2+4n+4 completly.

1. The weights of 30 students in a class (in Kg) are as follows. 42, 52, 46,63, 47,40,50,63,52, 57,40,47,55,52, 49, 42,56,51,48,47, 44,54, 54,62, 60,58,56,60,58,53. Answer the following questions: What weight range do most students lie in?

Three friends meals at a restaurant cost $13,$14, and$11. use parentheses to write two different expressions to show how much the friends spent in all. which property does your pair of expressions demonstrate

If 65% of the light are on what percent of the lights are off

Who said "truth is ever to be found in the simplicity, and not in the multiplicity and confusing of things"?

Bethany added a decorative border across the top of each wall of her kitchen. A diagram of her kitchen is shown below. She used a total of 62 feet of border. What is the length in feet of the unlabeled wall?