18. A square is graphed on a coordinate grid and then reflected across the y-axis. If the center of the original square was located at (x, y), which ordered pair represents the center of the new square after the
transformation?
A. (x, y)
B. (x, y)
C. (-x, y)
D. (y, x)

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation