Marty earns $24 per hour. marissa earns a base weekly salary of $100 plus $8 per hour. how long will marty and marissa have to work to earn the same amount of money? a. 16 hours b. 12.5 hours c. 6.25 hours d. 3 hours

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *