In ΔABC, ∠C is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. b= 20, c=40

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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