Math, Help asap What is three times the sum of a number and five times the number is thirty six? what is the number?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?