11 1 point
Find the length of the missing side.
1
82 in.
18 in.
2.
3
20 in.
68 in.
4
16 in
O 80 in

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?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?