Wich represents the solutions to the equation tan(3Pi/4-2x)=-1 where x ? [0,pi]

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Write an equation for the function that includes the points (1,4/5) and (2,2/3)