Answer:
replace x with each of the value then solve for the value
Step-by-step explanation:
when raised to the power of a negative you do the inverse
2^-2 = 2^1/2
Well the formula for the perimeter of a rectangle is 2w+2l
w=width
l=length
So it is 2(665)+2(421)=2172
Answer:
x + 4 = 47
x = 43
Step-by-step explanation:
i minus 4 from 47 to get x by its self and x = 43 do he was 43 inches last year