Which choice would most likely result in a negative association between the variables? A.
time spent exercising and the number of calories burned

B.
time spent doing homework and the number of problems left to complete

C.
miles driven and the gallons of gasoline used

D.
hours worked and the amount of money earned

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Factor the expression using gcf 9b+45