The difference between twice a number and 16 is 30. Which math statement is an equation that represents this relationship?

a.) 30 - 16 = x

b.) x - 16 = 30

c.) 2x + 16 = 30

d.) 2x - 16 = 30

e.) 2x + 30 = 16

There are 11 books on a shelf 3 of these books are new what is the ratio of used books to new books

Given that y varies directly with x, find the constant of variation (k) and write a function that models each situation. 1. (3,6)

How many integers are greater than 9 37 and less than 37 9

7x-21. x2-5x+6 5x + 6 x+12

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The height h (in feet) above the water of a cliff diver is modeled by h=-16t2+8t+80, where t is the time (in seconds). How long is the diver in the air?

A snail travels 3 feet in one hour. In each subsequent hour, the snail travels three-fourths the distance it traveled in the previous hour. How far does the snail travel in 6 hours

A right triangle has legs that are 19 in. and 23 in. What is the area of the triangle