In the xy-plane, line k is parallel to the graph of the line with equation y = 4x - 7. What is the slope of line k?

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

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 functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?