What are the coordinates of the vertex of the parabola described by the equation below?
y = 2(x + 5)2 + 3
A. (-5,3)
B. (5,-3)
C. (3,5)
D. (-3, -5)

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.