When graphed in the xy-plane, what is the y-coordinate of the vertex of the parabola with equation y = -3 (2 - 4) (x + 6)? A
75
B
63
-1
D
-33

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?