3+ x over 2 = 5 ? two step equations

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

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. after tax the total is 45.99. what percentage of the subtotal is the total?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?