Elizabeth is a marine biologist. She wanted to study the population of tiger sharks. She captured and tagged 85 sharks and then released them back in the Gulf of Mexico. Two months later she captured 325 tiger sharks and 40 of them were tagged. What is the best prediction for the population of Tiger sharks in the Gulf of Mexico?

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?

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

Is there an x intercept in the equation 60*1.15^x