URGENT! is the line through points P(– 3, – 2) and Q(2, 3) perpendicular to the line through points R(10, – 1) and S(15, – 6)? Explain.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?