Give a recursive definition for the set X of all natural numbers that are one or two more than a multiple of 10. In other words, give a recursive definition for the set {1, 2, 11, 12, 21, 22, 31, 32, ... }.

Samuel can type 3.8*10^5 words in

A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms.

David madd 4/3 of quart of fruit juice. Each mug he had holdes 1/3 of a quart. How many mugs will David be able to fill?

Gina walked 2/3 mile to a baseball field from her school. She then walked 1/4 mile home. About how many miles did Gina walk?

Brianna ran 6 laps around a circular track with diameter of length 120 feet. How far did she run

What is the volume of a cone with a diameter of 30 feet and a height of 60 feet? Use 3.14 for π. Enter your answer in the box.

What's a negative about plus a positive

When figuring out how much concrete is needed to build a pool what do you multiply the price of the concrete by?

The Cooking Club made some pies to sell at a basketball game to raise money for the new math books. The cafeteria contributed three pies to the sale. Each pie was then cut into eight pieces and sold. There were a total of 80 pieces to sell.

How many years will it take for an initial investment of $20,000 to grow to $30,000? Assume a rate of interest of 6% compounded continuously.