A pair of shoes costs $109 at Sneaker City. At the labor Day sale, they are 20% off. What is the sale price of the shoes?
The sale price of the shoes is $.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

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 =