Jack rented a moving truck for 7 hours and paid $153.65. how much did it cost per hour?

Show me how you find y and z and determine what y and z are you i appreciate it : )

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance