1. Janel at 13 performs a show for a national TV show and is compensated 15,000 for the fabulous one time hit. She is
promised that if she leaves the money in the movie account until
she is 19 they will increase the 15,000 by 15% each year. Janel
will get 15,000 and it's annual growth. How much money will Janel
have at age 19?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)