If u = <7,7> and v= <4, -6>, what is u-v?

How far is x from 5 on a number line?

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)?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount