What is the sign of the product (3)(−25)(7)(−24)? a) positive, because the products (3)(−25) and (7)(−24) are negative, and the product of two negative numbers is positive b) positive, because the products (3)(−25) and (7)(−24) are positive, and the product of two positive numbers is positive c) negative, because the products (3)(−25) and (7)(−24) are negative, and the product of two negative numbers is negative d) negative, because the products (3)(−25) and (7)(−24) are positive, and the product of two positive numbers is negative