There are 3 people who are chosen to serve on a committee out of a group of 3 girls and 4 boys. how many different committies can be formed

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?