Determine the discriminant of x^2+20=8x and use it to determine the number and type of solutions to the quadratic formula

Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain