Which expression is equivalent to )?

a.7+4 b.4-7 c.-7-4 d.-4+7

the answer would be A. because two negatives equal a positive

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

b i think

step-by-step explanation:

not really sure