Cynthia made the conjecture that the sum of any prime number and any composite number is a composite number.   which equation is a counterexample to her conjecture?   a. 13 + 2 = 15   b. 11 + 9 = 20   c. 5 + 8 = 13   d. 11 + 2 = 13

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4