A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return?

A 2-pound bag of asparagus costs $5.44. What is the price per ounce?

What are some characteristics for a good math explanation

How do you know that substitution give a you the answer to a system of equations

The number of right handed students in a mathematics class is nine time the number of left handed students. The total number of students in the class is 30. How many right handed students are in the class? How many left handed are in the class?

There are 56 students going on a felid trip. Three-fourth are girls. How many boys are going on the trip

A scientist inoculates mice, one at a time, with a disease germ until he finds 2 that have contracted the disease. if the probability of contracting the disease is 1/6, what is the probability that 8 mice are required?

You want to buy some rice. A 7-ounce package costs 2.59. A 12 - ounce package costs $4.56. An 18-ounce package costs 6.30 which package is the Best Buy?

Kenya is reserving a room in a hotel in France where they use euros (€). The room charge is €75. Suppose the conversion rate is €1 = $1.298. What is the cost of the room in dollars? $57.78 $77.56 $97.35 $129.80

Graph the given equation: y=2x+1

How tall is a triangle that is 10ft x 10 ft x 10ft?