Answer:
A =
. r^2
If A = 9
ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
Answer:
9x = 1-1 is q r x= 2x2 + 2 is 4
Answer:

Step-by-step explanation:
Answer: 18 c
Step-by-step explanation: since they have the same variables you can easily just add them together