Solve for the value of a

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge