50 people sponsor paula and she raises a total of £180 for charity. what is the mean average amount sponsored

What statement is true? 2x^2-9x+2=-1

2/3(-6y+9x) expand each expression using the distributive property

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