Which equation represents the quadratic parent function shifted to the left two unit?

a).y=(x-2)^2
b).y=(x+2)^2
c).y=x^2-2
d).y=x^2+2

Given this information, which expression must represent the value of b?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

If i have 20$ and i gave 5$ away how much i got