Simplify the expression: 2[ (8-4) 5:8]

The difference of two and a number is at least negative one

18 is 32% of what number?

Is negative 1 greater than - 1/2

To open a combination lock, you turn the dial to the right and stop at a number; then you turn it to the left and stop at a second number. Finally, you turn the dial back to the right and stop at a third number.

A bag has 10 yellow marbles and 4 blue marbles. Half of the blue marbles are made of plastic. A marble is selected at random from the bag what is the probability that it is a blue, plastic marble? Write your answer as a fraction in simplest form.

The stock of Company A lost $4.25 throughout the day and ended at a value of $63.75. By what percentage did the stock decline?

What is the period of 913 in 913,256

A bank contains 27 coins consisting of dimes and quarters. the coins have a total value of $4.95. Find the number of dimes and quarters in the bank.

what does a + a equal to

Mr. Santos is carpeting his living room. The room measures 21 feet by 15 feet. The carpeting costs $9 per square foot. How much carpeting will he need (in square feet), and how much will it cost?