Answer:
7.7 square feet
Step-by-step explanation:
38.5 divided by 5, equals 7.7.
Hope this helps
10
80 = l(l - 2) = l2 - 2l. Solve the quadratic to find solutions l = 10 and l = -8. You can't have a negative side, so the length of the rectangle must be 10.
4pi r
The answer to the question is $2 million
9
f(x) = -x^2
f(3) = -3^2
f(3) = 9
