Answer:
b should be the answer i think
Answer:
C.
The equation that represents this situation is -3x = 21. The second number is -7.
Step-by-step explanation:
For example, if the question is to simplify square root x^7, you do 7/2=3......1
so the answer would be x^3 times square root x
Answer:
42 m
Step-by-step explanation:
l+1 * (b+1) = lb+22
lb+b+l+1 = lb+22
l+b=21
perimeter = 42 m
