The ratio of girls to boys in french class is 5: 4, there are 12 boys in the class. how many girls are there? i feel like it would be 10 girls. more or tell me if im wrong.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

What is the least common factor of 6 and 8

Which of these triangle pairs can be mapped to each other using two reflections?