How can (a+3)^2=a^2+6a+9 be derived from the polynomial identity (a−3)^2=a^2−6a+9?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t