Find the volume of the pyramid to the nearest hundredth please.

This is different from the first one can someone me

Collin did the work to see if 10 is a solution to the equation r/4=2.4

The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)