If y varies directly as x and z, and y=4 when x=6 and z=1 , find y when x=7 and z=4

What is the frequency of the sinusoidal graph?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.