Cynthia ran 4 laps in 40 min.   what is the rate of number of laps to minutes?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.