Miss sandy is fencing in her rectangular backyard, which is 3x23x2 feet wide and 4xy+5x3y24xy+5x3y2 feet long. a.) find the perimeter of miss sandy's yard. show all work. b.) how much fencing should miss sandy purchase? use mathematics to justify your answer.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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 =

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.