Answer:
C
Step-by-step explanation:
Cool
Answer:
y = 
Step-by-step explanation:
27y + 5 = -9 -> subtract -9 and 5
(-9) - 5 = -14
27y = -14 divide 27 and -14
(-14)/27
You are then left with
y = 

where

, and we define

for

. The sum is adding up the areas of several trapezoids, each with dimensions determined by the values of

and

. (See the picture below)
So the number of deliveries made is approximately
8/14 , 12/21, 16/28, 20/35
Group is the answer I think