PEMDAS. 16/4 = 4. 4+42 = 46. 46-4 = 42. Answer is 42!
9/20 because 0.08 is 8/100
Second step
PEMDAS
Parenthesis exponents division addition subtraction
It would be y=5.00x + -5.00
You need to find circumference, so you would multiply the diameter by pi. So your answer is 212pi feet or 666.02 feet