Please answer this, ILL MARK YOU THE BRAINLIEST

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

If a || b and e || f , what if the value of y ?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?