I don't know what to do for this question. There are two i already did the second one its the one i circled I don't get. Please if u can show me step by step.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work