Martina and charlotte are sharing a pizza. the pizza is cut into eight pieces. martina ate a quarter of the pizza. charlotte ate 3 pieces. how many pieces are left?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°