Mary are one of the muffins she baked and had 12 left. Write an equation to find how many muffins Mary started with.

The width of a rectangular room is 55% of its length. The length of the room is 20 feet. What is the area of the room?

Two neon lights are turned one at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink together?

Which city is located at approximately 35°S, 149°E?

Evaluate e^-3. round your answer to three decimal places

A company buys a copier for $10,000. The Internal Revenue Service values the copier at 10,000 (1 - n/20) after 12 years. After how many years will the copier be valued at $6,500?

The sum of 7 and three times a number b is at least 12

Proper meaning for indices

What shape has 22mm, 20mm, 13mm and the angles are 62 degrees 72 degrees and 46 degrees

A single Rhinovirus is 2 * 10-8 meters long, and a single E. coli bacterium is 2 * 10-6 meters long. How many times larger is an E. coli bacterium than a Rhinovirus?

What is 8 to the power of tow