Ido not understand how one got 7, 20, 39, 64, 95. explain.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years