I believe its d because you subtract (-3 -7 1 9) from both sides
rate of blowing balloons of Alexa = 15/20 = 0.75
rate of blowing balloons of Sara = 18/25 = 0.72
rate of blowing balloons of Shirley= 16/21 = 0.76
rate of blowing balloons of Sam = 12/23 = 0.52
from above calculation we concluded Shirley can blow balloons at the fastest rate!
Answer:
250 cubic m
Step-by-step explanation:
volume of the Olympic grid pool

I believe that the answer is 1/5. I hope that this answer helps!<span />
Answer:
the domain of the function is 1 >= y >=9