shawna is taking violin lessons. her violin instructor charges $33.50 per hour. if shawana has violin lessons for 3.5 hours each week, what is the weekly cost of her lessons?

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?

Evaluate f(x) when x = 3. f(x) = 16x? +2 if 6 < x < 9 112 if 9 x < 13 a: 110 b: 56 c: 74 d: 12

You leave a $4 tip on a $24 bill at a resturaunt. to the nearest percent gratuity did you pay