Think about it are the times required for the investments in exercise 75 and 76 to quadruple twice as long as the times for them to double? given a reason for your answer and verify your answer algebaically.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

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?

Can someone me with this? i’m not sure what to put for my equations.