Xavier wanted to download apps from an online store. The online store charges $1.29 per app. If Xavier spent $7.74 at the store, which equation will help him find the number of apps he bought, a?
7.74 = 1.29a

7.74 = 1.29 - a

7.74 = 1.29/a

7.74 = 1.29 + a

What is the product? a-3/15a × 5/a-3

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?