Answer:
123.75 
Step-by-step explanation:
find the volume of the sandbox:
l x w x h = 11 x 7.5 x 1.5 = 123.75 
Answer:
36
Step-by-step explanation:
k(-3) = 2(-3)² - 5(-3) + 3
= 18 - (-15) + 3
= 33 + 3
= 36
2 thirds = 2 x 3 = 6
1 half = 1 x 2 = 2
6+2 = 8
the answer is 8
7/8 is equivalent to 14/16, 21/24, and 28/32