Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 5) and (8, 1280)

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?