Dana drove her car from her house to her school. she went 7 miles due west and 3 miles due south. how far is dana's house from the school?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?