What is the value of x when x + 7 = 21?
a) -28
b) -14
c) 3
d) 14

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

How many verticies does a triangular prims have

Which graph represents the linear function below? y-3=1/2(x+2)