= a^3 +3a^2-7a+4a^2+12a-28
=a^3 +7a^2+5a-28
Answer: The length of each side is 7 yards.
Step-by-step explanation: To solve the perimeter, you add each of the sides. A square has 4 sides of equal length. Divide 28 yards by 4 yards. Therefore, the answer is 7 yards per side.
99(x-77)=99(x+88)
99x-7623=99x+8712
99x-99x=8712+7623
0=670824.no solution as x becomes 0
Step-by-step explanation:
so correct answer is a7 as
The value of x is 2 and KNL will be 102
