Direct variation equation when y=-15 and x=5 then find y when x=9

If the number of bacteria in a colony doubles every 27 minutes and there is currently a population of 15 bacteria, what will the population be 54 minutes from now?

What is 5/5 divided by 1/2?

Explain why "proof" or "prove" will never be a valid reason in a proof.

the students hold a carwash. They charge $5 per car. if they wash 23 card and use the funds to repay the school what remains of their debt to pay back through fundraising

What time would it be when the earth gets swallowed by the sun

A rental company charges $75 a day and 20 cents a mile for renting a truck. michael rents a truck for 2 days, and his bill came to $238. how many miles did he drive?

There are 3 quadrants on a coordinate plane? A. True B. False

4x squared + 3x-2 divided by 5x squared + 8x + 3

3x²-36x+81=0 i need the answer

A train moved at a speed of 90 miles per hour for 2hours and then slowed down to 72 miles per hour. A) Find the total number of miles the train traveled. B) Calculate the average speed of the train.