pl sanyo bought shoes for $35.65 and x pairs of socks for $1.85 each. which expression shows the total money spent? 35.65x + 1.85 35.65x + 1.85x 35.65 + 1.85x 35.65 + 1.85 + x

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