Answer:

Step-by-step explanation:
Given the expression:

Using the distributive property: 

Simplify:

Simplify:

Therefore, the simplified given expression is, 
Answer:
A≈254.47ft²
Step-by-step explanation:
A=πr2=π·92≈254.469ft²
Answer:
I don't really know but I will help you if I can
Answer:
The first answer is correct.
Step-by-step explanation:
Where R represents the amount of rent Vanessa pays, 2r is double that amount, and 2r - 12 would be twelve dollars less than double.
F, D, C
F: 5 x 3 = 15
D: 7 x 3= 21 - 2 = 19
C: 5 x 3 = 15 + 6 = 21