In an international track competition, there are 5 United States athletes, 4 Russian athletes, 3 French athletes, and 1 German athlete. How many rankings of the 13 athletes are there when: (a) Only nationality is counted?

Which of the following is an example of positive correlation? A: the number of students in a school and the number of stores nearby B: the age of a child and the height of that child C: the temperature outside and the number of layers of clothing D:

The radius of a circle is 17 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle?

There are 30 students in class including 16 boys. Write each ratio

What is twelve more than the quotient of 64 and 8? (put in standard form)

Moriah pays $25 to join a lunch club that allows her to buy fancy lunches for $5 each. Let L represent the number of lunches she purchases and Crepresent the total cost. i) Give an equation that describes the situation.

This is 10 degrees colder than 4°F.

Estimate. then, divide using the standard algorithm and check 45.15/21

Dwayne has $40 in a savings account that earns 5% annually. The interest is not compounded. How much will he have in 1 year?

A recipe for brownies calls for 4 eggs and 1 1/2 cups of flour. If the recipe makes 15 brownies, how many cups of flour will be needed to make 60 brownies?

A rectangular table measures 48 inches wide and 60 inches long. a tablecloth covers the table and hangs over the edge by 10 inches on each side. what is the area of the tablecloth measured in square inches