4. Rhonda deposits $9,500 in a savings account that pays 3 1/4% interest, compounded weekly
I
a. How much interest does the account earn in the first week?
b. What is the ending balance after week one?
c. What is the balance after one month?
d. How much interest does the account earn the first month?

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.