Answer:
the answer is 90 square feet.
Step-by-step explanation:
the length is 10, and the height is 9.
10×9=90
its the first one
Step-by-step explanation:
because per pertains to to x
Answer:
(x + 5)(x + 4)
Step-by-step explanation:

Plug one intercepts: (-1)^2+(-1)b+5=0
(-5)^2+(-5)b+5=0
simplify: 6-b=0
30-5b=0
solve for b: 6=b
30/5=b