A whale is at the surface of the ocean to breathe. What is the whale’s elevation? A:100
B:-100
C:-50
D:0

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation