My sister is 19 years old. my brother says that his age minus eighteen is equal to my sister's age. how old is my brother? enter an equation, using b as your variable, to find how old my brother is. the equation is my brother is years old.

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?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

What is the measure of angle x? a.101 b.158 c.44 d.79