What is the value of w in the figure below to the nearest degree? a)25 b) 35 c) 40 d) 45

How do i work this problem out using the equation a=pe^rt

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?