Pls Help I need to study for a test!! Given the relation: (0,0), (5,10), (6,12), (10,20) and based on the definition of function, is that relation a function? Why or why not?

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?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244