Car “a” cost $43,000 and gets 48 miles per gallon, while car “b” cost $24,000 and gets 23 miles per gallon. assume you drive 12,000 miles per year and gas cost $2.42 per gallon. how many years will it take for car “a’s” better fuel economy to outweigh its higher initial cost?

This is about circle theorems. someone asap : (

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?