Kylie starts with $145 in her piggy bank. Each month she adds $20. Which explicit function rule models the total amount of Kylies piggy bank at the end of each month?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Just tell me how to set up the equation.

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?