Based on the given statements, the valid argument is that D. <span>It cannot be concluded that Beth drew a triangle with an angle measure of 90°. We known that she drew a triangle, but we don't know what triangle - so A and B are incorrect. Also C, because we know that she drew a polygon, because a triangle is a polygon. </span>
Yes, the blank numbers that can be written as a product of blank factors are called the prime factorization of a number. It can also be composite numbers where it can be written also as the product of prime factors.
