Afashion designer makes and sells hats. the material for each hat cost $5.50. the hats sell for $12.50 each. the designer spends $1,400 on advertising. how many hats must the designer sell to break even?

41/2 - 1 1/3 what is the answer as a fraction?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?