Answer:
its just division. 27/3 to find all the groups of tennis balls he bought.
the answer is 9
The formula or the area of a trapezoid is (a+b) divided by 2 times height so the answer is 128ft2
Answer:
7 < x < 9
Step-by-step explanation:
x^2 – 16x + 63 < 0
this is a parabola that opens up.
The parabola will be < 0 for values between the roots.
to picture this see the graph below.
Factor
(x - 7)(x - 9) < 0
Roots
x = {7, 9}
solution
7 < x < 9