Abusiness person invested $36000.00 in stock. when he sold the stock he made $30.00 in profit each share of the stock he purchased. if his total profit was 2400.00 how many shares of stocks did he purchased

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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

Answer! if you don’t mind, can you explain