Two boys work to earn money Brendon earns $72 in 6 hours mowing lawns.
Casey earns $80 in 8 hours pet sitting
One week the boys worked the same number of hours. the difference in their earnings that week was $24

how many hours did the boys work that week?

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

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.