Answer:
question 1 answer: #1, question 2 answer: #1, question 3,a answer: a=15, question 2,b answer: b = -0.5, question 2,c answer: c=0.01, I don't know what the last question's options are
Step-by-step explanation:
-2.5
-30 + (-15) + (-20) + 55 = -10. Then you divide it by how many numbers there are (4). Which equals - 2.5. If this is wrong, then round up to -3.
4
use pythagoeron theorem
9^2-7^2=x^2
x^2=32
x=4
5
The answer is 120 sq. ft.
