Answer:
x = -2
Step-by-step explanation:
Please mark Brainliest when able, for showing work.
Answer:
C. You have to multiply both powers to simplify.
Answer:
i dont know
Step-by-step explanation:
....
Answer:
11
Step-by-step explanation:
√121=11 so right answer is B
(a)

= 400
(b)


(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches