A test consists of 490 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers? Round the answer to the nearest hundredth.

To increase an amount by 85% what single multiplayer do you use

How do i convert 16/5 to a mixed number?

Your bank gives you a special loan of $112,000. At the end of 30 years, you will pay the bank $176,400 in simple interest. What is the annual interest rate on your loan?

There are 15 boxes. There 18 apples in each box. The baker uses 7 apples to make a pie. How much pies can the baker make?

Which equation represents this problem? The time it takes Tomás to bike to the community center is 2 minutes less than half the time it takes him to bike to the city park. It takes Tomás 18 minutes to bike to the community center.

What is the greatest common factor of 20 and 32?

How many 0.6 L glasses can you fill up with a 4.5 L pitcher?

Solve y=1/4x+5 y=2x-9

How can i be math teacher when i grow up?

What are the possible degrees for the polynomial function