Which of the following does not have a value of -5?
f. 1/4 - 5 1/4.
g. -10 ➗ 2
h. -20 x 0.25
j. -13 + 18

Determine the relationship of ab and cd given the following points

I’m stuck on this equation, anyone got the answer?

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