They left with 121$ Bc they was with single ticket
Answer:
x^2 -7x-18
Step-by-step explanation:
(x-9)(x+2)
FOIL
first x*x = x^2
outer 2x
inner -9x
last -9*2 =-18
Add together
x^2 +2x-9x-18
Combine like terms
x^2 -7x-18
Perimeter = 2L + 2W
42= 2L + 2(8)
26 = 2L
13 = L
6*12 = 72ft²
The area of the trampoline is 72ft²
Hope this helps! :)