A triangle has a line of symmetry. Select all conclusions that must be true

Which of the following expressions is equal to 2x^2+8

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0