Can the distributive property be used to rewrite
8 x (10 + 9)?

yes

Step-by-step explanation:

using the distributive property 8 × (10 + 9)

becomes 8× 10 + 8 × 9

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it