Pedro and carmela are cleaning their kitchen. it takes pedro 3 hours to clean the kitchen by himself, while carmela can clean the kitchen in 2 hours. which equation can be used to calculate how long it will take them to clean the kitchen if they work together?

32t=1

t3+t2=1

3t+2t=1

3t+2t=1

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Select the two pairs of figures that are similar.