Geoffrey spent 1 hour and 15 minutes studying for a test and 35 minutes working on a science project. how long did he spend doing homework?

Pls yall i really need the answer fr fr

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

If the function m(x) has the point (5,2) on its graph name a point that would be on the funtion m(5x)