Answer: D
Step-by-step explanation:

Answer:
9.75 cups of soil
Explanation:
Using a proportion:
1 bowl 13 bowls
———— = —————
0.75 cups X cups
Solve for X:
X=13(.75)
X=9.75 cups
The container holds 9.75 cups of soil.
3/5 are girls and 2/5 are boys
-> chance of 2/5 to select a boy randomly
An equilateral triangle have 3 congruent sides.
Divide the total (15x +3) by 3
(15x + 3)/3 = 5x + 1
Each side's length is 5x + 1
hope this helps