Tina practiced piano for 15 hours last month and 45 hours this month. use multiplication to write a statement comparing the hours tina practiced during the two months.

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?