The length of a rectangle is 5 centimeters less than twice its width. the perimeter of the rectangle is 80 cm. what are the dimensions of the rectangle? length = 25 cm; width = 15 cm length = 24 cm; width = 16 cm length = 23 cm; width = 14 cm length = 22 cm; width = 18 cm

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

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 =

[15 points, algebra 2]simplify the complex fraction and find the restrictions.