Marice mows the lawns on saturday. last week it took him 5 1/2 hours to finish. this week it took only 5 hours. how many times longer did it take last week than this week?

What percent of the circle below is shaded?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

Apply the distributive property to simplify the expression. −4(5x + 2)