D. All real numbers is the answers
Answer:
2/3
Step-by-step explanation:
3/4 x 8/9 = 24/36 or 2/3 simplified
Answer:
9
Step-by-step explanation:
81 gallons per 9 minutes
This can be thought of as a fraction:

divide the top and bottom of the fraction by 9 to make the bottom 1

remove the gallons per minute to a separate fraction
9 
7.
360 degrees- the other angles = x