A plumber charges $75 for a house call plus $35 per hour to work on the problem. You paid $145. How many hours did the plumber work?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

What are the exclude value of mn+3m