If you see something for $40 and that's WITH THE 25% off what WAS the original price

Which of the following expressions are equivalent ?

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.