For the function F (X) = (x - 2)^2 + 4, identify the vertex. A) the vertex is (-2, 4)
B) the vertex is (-4, 2)
C) the vertex is (4,2)
D) the vertex is (2,4)

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax