Can someone help me solve 32 + 1 x 2

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

What is the absolute value of the complex number -4-sqrt2i

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