Answer:
Step-by-step explanation:
drain empties 1/10 of the desired amount per minute
pump fills 1/14 of the desired amount per minute
when both are active, the net drain is 1/10-1/14 = 1/35 of the desired amount per minute
It takes 35 minutes to reach the cut-off level.
Answer:
14 square feet
Step-by-step explanation:
8x8=64
8x10=80
80-64=14
25 degrees is the answer. CBE is supplementary to ABC. That means those two angles add up to 180 degrees.