Quadrilateral abcd has side lengths of ab = 3, bc = 4y – 5, cd = 3, and ad = 2y + 1. find the value of y for which quadrilateral abcd is a parallelogram. a. 1 b. 2 c. 3 d. 4

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

Which expression is equivalent to 2x^2+7x+4?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)