Someone is measuring two line segments, the first one is 49 centimeters long. The second one is 540 millimeters long. How long in centimeters are the two line segments?

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?

How is the number of vertices for a prism related to the name of the prism

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68