Kayla is sending invitations to 20 of her friends for a pizza party. if there are 12 invitations left to send out, how many invitations has she already mailed? °a). x-8=20 °b). x+20=12 °c). x+8=12 °d). x+12=20

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.