20) The area of a triangular plece of wood is 12 square inches. One side of the triangle is 2 inches longer than the altitude to that side. Find the length of one side and the length of the altitude to that side. A one side 6 in, altitude - 4 in C. one side = 4 in, altitude = 3 in B. one side = 4 in, altitude - 6 in D. one side = 10 in, altitude = 8 in 21) What do you call an expression in fraction form in which the numerator and the denominator are polynomials? A. linear algebraic equation C. rational algebraic equation B. rational algebraic expression D. linear algebraic expression 22) Which of the following is NOT a rational algebraic expression? sy 5x А. B. C. D. Zy- 12m- 23) in a rational algebraic expression written in the form of where P and Q are polynomials, the polynomialo must not be equal to A-1 B.O C.1 D. 24) What value of x will make the rational algebraic expression **undefined? A. B.-5 C.5 D.O 3-4 m 1 2 57 25) Which value of r will make the algebraic expression undefined 9 +7 A.9 B. C.0 D. -9 20 21 22 23 24 25​