2 toy cars cost 3 dollars

4 toy cars cost 6 dollars

6 toy cars cost 9 dollars

8 toy cars cost 12 dollars

What is the cost of 18 toy cars? A$12 B$20 C$22 D$27

Emma and Mila go to the movie theater and purchase refreshments for their friends. Emma spends a total of $117.00 on 9 bags of popcorn and 9 drinks. Mila spends a total of $23.00 on 1 bag of popcorn and 3 drinks.

How do we calculate the circumference of a circle

in teds class of 45 students, the average on the math exam was 90%. in Andrews class of 15 students, the average of the class was 82%. what is the average of the two classes

Jenny reads 5/8 pages in 2/3 minutes what's the unit rate

Find three consecutive integers such that the sum of the second and the third is 99

For every 4,240 strings of decorative lights manufactured at a lighting factory, about 480 are considered deficient before the time of packaging and are disposed of.

Last question David tracks his calories burned while training for a meet. The number of calories he burns is expressed by the function c (t) = 704t, where t is the number of hours spent swimming.

Javier earns $7.50 per hour and works 20 hours per week. He wants to know how many weeks, w, he will need to work to save $1,200.00 for school. Using the equation below, how many weeks will he need to work to save up $1,200.00?

Harvard University accepts 6 students for every 100 applicants. How many students will be accepted if 850 applicants apply for admission?

If the equation has infinite solutions is the equation always, sometimes, or never true?