Raul earns $37.50 for 3 hours of babysitting. He earns the same amount per hour each time he babysits. How many hours does Raul have to babysit to earn $100

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°