Answer:
$25
Step-by-step explanation:
37.50-12.50=$25.00
Answer: 60 degrees!
Step-by-step explanation:
75 - 15 = 60
Answer: 
Step-by-step explanation:

a = base
h = height

Solve the parentheses squared first.

2 and 36 can be simplied
2/2=1
36/2=18


Rounded to the nearest whole number... 
Answer:
The answer is A) Round 56 to 60, find 10%, then double.
Step-by-step explanation:
You would round to 60 because 56 is closer to 60 than 50 then 10% is half of 20% so you would double it after you found 10% of 60.
Hope this helps :)
W = 10 ft; l = 50 ft is Correct
w = 90 ft; l = 30 ft is Correct
w = 50 ft; l = 40 ft is Correct