Answer:
The answer is 7,200...........
2-x+3=16 is the answer. good luck?
Formula for are of a rectangle:
A =L * W
1st isolate W
147 = 3W * W
147 = 3W^2
divide 147 by the by 3 on bot sides
29 = W^2
get ride of the square by square rooting on both sides
7 = W
2nd find the perimeter
P = 2(7) + 2(21)
P = 14 + 42
P = 56
Answer:
A.
Step-by-step explanation:
Brainliest
