Given the universal set u={2,4,6,8,10} and set a={4,6,8} write the complement of a or a` pls 10 points!

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?