Can someone plz help me on this I’ll mark brainless ( don’t k how to spell it but u know what I mean) plz

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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 =

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)