I want to see if your are smart and tell me what the answer is

50-(14+12+2(5)+2(2)+3

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.

Asap! i need this done today and i really don’t understand it. some one ! will mark