Answer:
21.99
Step-by-step explanation:
This is simple just times 3.14 and 7 to get 21.99
Answer:
x = 7, x = -10
Step-by-step explanation:

Use the quadratic formula.

Solve.
x = 7, x = -10
You can also factor if you want - that is a faster method.
Answer:
d
Step-by-step explanation:
Answer:
Distributive Property of Multiplication