Answer:
34325
Step-by-step explanation:
Solution: We are given:
Sales tax 
The pre-tax price of the supplies 
We have to find the total cost of the supplies.
We first need to find the sales tax on the price of supplies. The sales tax amount is:

Therefore, the total cost of the supplies = pre-tax price of the sales + sales tax amount
=$48 + $3.36
=$51.36
Answer:
139
Step-by-step explanation:
First we need to find diameter 132/3.14=42 rounded
Then we halve it to find radius 42/2=21
Formula for area is radius x radius x 3.14
21 x 21 = 441 x 3.14 = 138.74 round up is 139
Answer:
3
Step-by-step explanation:
to find side length of squares take square root of areas
first square side length: 9
second square side length: 6
difference between 9 and 6 is subtraction, 9-6=3
They traveled 416.25 miles
we now that they travel 55.5 in one hour and we know they traveled 7.5 hours, so multiply 7.5*55.5
which gives you 415.25 miles