5) a letter or symbol that is used to represent a number is called a _ _ _ _ _ _ _ _.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?