Zach, luke, and charlie ordered a large pizza for $11.99, breadsticks for $2.99, and chicken wings for $5.99. if the three friends agree to split the cost of the food evenly, how much will each friend pay?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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