What is 8.21 rounded to the nearest hundredth

The length of one side of a square field is represented by the expression 3-7x. What is an expression for the perimeter of the field expressed as a product?

Convert: 16 square kilometers to acres 39,506 3,950.6 395.06 39.506

Finding the Total Area A fountain in the park has two circular pools that are the same size. What is the total area of the pools if the radius is 3 yards? Use 3.14 for n and round the approximate area to the nearest tenth, if necessary.

One number is one more than three times another. If their sum is 49, what is the larger number?

Solve for the inequality - 1/3v - 2<5

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.