Ment will Ms. Smith earns $18.80 per hour for the first 40 hours she works in a week. She earns 15

times that amount per hour for each hour beyond 40 hours in a week. Last week Ms. Smith

worked 455 hours. How much money did she earn? Explain your mathematical processes.

How to determine whether two known pairs of points are on the same line.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"