A computer that costs $1099 last year costs $999 this year

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?

In what form is the following linear equation written y=9x+2

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin