I have like 20 min left i just need the answers please

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did