Sam cut a pie into equal pieces there are only 3 slices left. the angle measure for the 3 slices is 72 degrees. how many slices did sam cut the pie

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.

Prove that 16^4-2^13-4^5 is divisible by 11.