David has 20 coins he gave some coins to Peter David had 8 coins left. How many coins did David give to Peter?

Each of two sides of a triangle is 8 in. longer than the third side The perimeter is 43 in. How long is each side of the triangle?

P. 1 - Simplify expres 1. 3 (y + 1) - 4

there are 18 animals in a pet store some are birds and others are dogs. there are 50 legs in total. how many dogs are there

In a triangle ABC, tan (a) = 20/21. Find sin (a) and cos (a)

The expression 4 (1.5g + 3.5) is equal to 6g plus a constant term what is the value of the constant term

Willow is starting a big business for her class. A bake sale! Rachel, Lana, Sara, and Josephine are also participating! Rachel needs 1/2 more cups of yeast to make the challah. Lana needs 1 1/2 cups more flour to make the fortune cookies.

Determine which answer is reasonable to 4.8 times 9.2 A. 14 B. 45.36 C. 432 D. 470.4

Tia was flying her model airplane. it took the airplane 5 seconds to go 90 feet. what was the average rate of speed of the model airplane, in feet per second?

Suppose the length of the prism is doubled how does the volume change explain your reasoning

1) Circle the equation that is NOT an example of direct variation. A) y = 3 X+1 B) y = 16x C) y = 4x D) y=-9x