Sam mows a ¼ of a lawn in ½ of an hour. At this rate, how long will it take him to finish one lawn?

Use the graph of the sine function y=2sinθ shown below

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which of the following graphs could represent a quartic function?