15. Find mZB. С
(5x + 18)
В.
(8x + 7)º
7
(10x + 13)
(14x - 11)
А
13
If the figure helow is a regular polygon, find the

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =