1.Sheila mows lawns for some people in her neighborhood in the summer to make extra money. She mows 5 lawns in an hour. She has 23 lawns to mow. How long will it take her to mow all of them?

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.

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible