a saleswoman earns 60% commission on all that she sells. Last month she sold $700 worth of merchandise. How much commission (In dollars) did she earn last month?

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?