Which one doesn't belong?

A: y = (x + 4)(x – 6)
B: y = 2x2 - 8x – 24
C:y= x + 5x – 25
D: y = x + 3x2 – 10x – 24

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?

Which shows how to solve the equation 3/4x=6 for x in one step?