If a donut costs 50 cents and a cookie costs 35 cents, write an

expression for the total cost of d donuts and c cookies.

What is the answer to the problem? 7•5f = 7070. Find the value of f

Use this tax table to find how much tax you need to pay on a taxable income of $25,000.

Why is the lcm of 14 and 21?

What is the complement of a 47 degree angle?

The price of products may increase due to inflation and decrease due to depreciation. Marco is studying the change in the price of two products, A and B, over time.

A bag contains 120 marbles. Some are red and the rest are black. There are 9 marbles for every black marble. How many red marbles are in the bag?

Mrs. Barlow's math class took a test yesterday. Out of 80 students, 70% of them passed. How many of Mrs. Barlow's students passed the test?

What's the result of: (2/3) ³

Airline fares for a flight from Dallas to Austin are $30 for first class and $25 for the tourist class. If a fight had 52 passengers who paid a total of $1360, how many first class passengers were on the trip?

You have a recipe that requires 1/3 cup of sugar, but you only want to make a fourth of the recipe. How much sugar do you need to make this fraction of the recipe?