Answer:

Step-by-step explanation:

Multiply both sides of the equation by 99, the least common multiple of 9,39,3.
m + 6 =21
Subtract 6 from both sides.
m = 21 - 6
Subtract 6 from 21 to get 15.
m=15
Answer: 22 minutes
Step-by-step explanation: 500-170 means that he drained 330 gallons of water so 330 divided by 15 gallons a minute so you get 22 so it takes 22 minutes to have 170 gallons left in the pool
Answer:
x=6, x=0
Step-by-step explanation:
+
= 25
+
= 25
x=6, x=0
Answer:
(-15, 14)
Step-by-step explanation:
Let the coordinates of Z be (x,y).
