Elise has 23 gallons of gas in her car. she wants to drive 87 miles one way to her sister's house. her car gets 19 miles per gallon. will elise have enough gas to go to her sister's house and back? explain your answer.

Find the commission on a $590.00 sale if the commission is 15%.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z