Answer:
Step-by-step explanation:
11 workers in 75 days
so 33 workers do it in 25 days
17.5
The area of a triangle is (height*base)divided by two
(the eight is really unnecessary)
so 7=base
8=height
7*5=35
35/2=17.5
x^2+3x+2
I think its A
x/2 - 9 = -9