Jane is working on her tennis backhand in a gymnasium. If she hits the ball and it travels 172 ft. in 4 sec., what is its rate of speed? A. 17.2 ft. per sec. B. 43 ft. per sec. C. 59 ft. per sec. D. 172 ft. per sec.

Hi i’m back at my moms now i’ll call her when she can get there i’m gonna go first

What am i doing here. add?

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.