Find the surface area of the solid figure.

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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