Well following order of operations you do:
(-24/8)^2 first and add the other negative to answer after
= -9
Based on the equation for the volume of a cone, the answer is 3,391.2
→ 
the ratio of PR to QS is 1:1 because they are congruent (equal)
If you draw a picture, you will see that PQRS is a parallelogram.
Answer:
60
Step-by-step explanation:
-2(20-50)
-40 + 100 = 60