Answer:
570yd^2
step by step:
Split the backyard into 2 different rectangles and add the areas together. I did 8x30 and 15x22.
Given that S<span>taci must vacuum 1/2 of the house.
If she already has vacuumed 1/3 of her share tonight the part of the house she has vacumed is given by

Therefore, she has vacuumed 1/6 of the house.
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The answer should be 26 hours
Answer:
Brett arrives 2 hours later than Lionel.
Step-by-step explanation:
I know
From multiplying the binomial expression
(n+3)(n-9)
It would be n^2 - 9n + 3n - 27 or simplified
n^2 -6n - 27.