5x + 13 Hope this helps you
4(2x + 10)=0
8x + 40 = 0
8x = -40
x = -5
Answer:
6 cubic units
Step-by-step explanation:
step 1
Find the total number of storage tubs
Multiply three tubs wide by two tubs tall

step 2
Find the total volume of storage
we know that
One storage tub is a unit cube
That means ----> The volume of one storage tub is one cubic unit
Multiply by 6 storage tubs

You can draw vertical line, and get 2 rectangles.
1) First one with sides 2 and 7.
2) Second one with sides 1 and (5-2) = 3, 1 and 3.
3) Area of the first one =2*7=14 units²
4)Area of the second one = 1*3=3 units²
5) Area of the whole polygon = 14+3=17 units²
Answer C. 17units².