How many different lock combinations are possible on a bike lock with 4 rotating discs that go from 0-9

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left