What is the place value of the one 21.939

Is the solutipn shown below correct? Explain. 9x+2=8x^2+6x

Leonardo, Michelangelo, Donatello, and Raphael ordered pizzas for their birthday party. They ordered a total of 25 pizzas. 12 were cheese, 5 were pepperoni, 3 were supreme, and the rest were sausage.

The history museum is hosting a special exhibition on history of flight. The admission ticket for each adult costs $3 and the admission ticket for each child costs $2. On the opening day of the exhibition, 60 tickets were sold for a total of $160.

What is 8 divided by 3

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.

How can you determine wether an equation has infinitely many or no solutions?

Compute the area of the triangle. h = 8 cm b = 16 cm

13. f (x) = x + 5 a. f (4) b. f (7) c. f (-3) d. f (0) e. f (2.4) f. f (2/3)

Shelly plans to paint a wall in her bedroom the wall is 11 ft long and 8 ft high. She needs enough paint to cover how much area?

Alicia would like to know if there is a difference in the average price between two brands of shoes. She selected and analyzed a random sample of 40 different types of Brand A shoes and 33 different types of Brand B shoes.