20% of the students in the class play an instrument. If there are 35 students in class, how many play an instrument?

A computer is regularly priced at $500 and is on sale for 15% off the sales tax rate is 5.25% what is the price after the discount and tax

3. A prop for the theater club's play is constructed as a cone topped with a half-sphere. What is the volume of the prop? Round your answer to the nearest tenth of a cubic inch. Use 3.14 to approximate pi.

The sum of the measures of angle A and angle B is 180°. Which term describes the relationship between angles A and B? adjacent angles supplementary angles complementary angles vertical angles

Crystal works 6 hours three days a week and 7 hours two days a week. She earns $472 per week. What is her hourly rate of pay?

What is the area of a regular heptagon with side length of 6 meters and a distance from the to the vertex of 6 meters? round your answer to the nearest tenth

Use the relationship between x and y to find the time it takes for the runner to reach the school.

What is a solution of a linear equation in two variables?

You and your friend sell lemonade. You get 1/3 of the total money. Your friend gets $20 less than the total amount collected. Write a system and solve to find how much each of you made.

Paul says that in the number 6367 one 6 is 10 times as great as the other 6. is correct? explain why or why not.

A fair die will be rolled 9 times. What is the probability that 4, 5, or 6 is rolled exactly 2 times? Round your answer to four decimal places.