Find the area and circumference of a circle with diameter 8yd

The planet Mercury is approximately 6 * 10*7 miles from the sun. the distance between the sun and Mars is approximately 2 * 10*8. About how many times farther from the sun is Mars than Mercury? A. 2 B. 3 C. 20 D. 30

Josie watched a beetle on the sidewalk. It crawled 2/6 of a yard, then rested for a bit, and then crawled 1/4 of a yard farther. How far did the beetle crawl in all?

A woman rides a bicycle for 3 hours and travels 51 kilometers. Find the angular velocity of the wheel if the radius is 30 centimeters

Let g (x) = 2x and h (x) = x^2 + 4. Find the value. (hog) (-5)

Write 26% as a decimal.

Write a numerical expression. Then write words to match the expression

A classic counting problem is to determine the number of different ways that the letters of "generally""generally" can be arranged. Find that number.

Lisa has 45 megabytes of space left on her flash drive. She has 5 files that are the same size that will fill up the space. How many megabytes is each file?

If the second term in a geometric sequence is 20 and the fourth term is 11.25, what is the common ratio

Is 976 - 522 more or less than 400? Explain how you can tell without actually subtracting.