One day 3% of the sweatshirts made at a factiry were defected. 15 sweatshirts were defective. How many sweatshirts were produced st the factory that day

For the equations below which statement is true ?

If square root x = -7, then x= -49 true or false

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours