Find the value of x and m∠BAC
please explain and show how you got the answer

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.