Which of the following would be a reasonable estimate for the weight of a pencil?

1 * 10-20 lb

1 * 10-2 lb

1 * 102 lb

1 * 1020 lb

Factor: 3x^2+14x-5 (show work)

Mrs McDonald spent 24.65 at a yard sale on Saturday. on Sunday she went to another sales and spent 14.95 more than she did on Saturday. what is the total amount that Mrs McDonald spent on both yard sales

Which equation matches the sentence? Column A Column B 1. Three less than 9 times a number is 21. 2. The sum of 3 times a number and 9 is 21. 3. The difference of 9 times a number and 3 is 21. 4. Nine less than 3 times a number is 21. A.

What are two division expressions that have the same value as 61.12 divided by 3.2

R is the interior of angle TUV. The measure of RUV=30degrees, the measure of TUV=3x+16, and the measure of TUR=x+10. Find x and the measure of TUV.

By how many is 6 less than 14

In order for a film camera with a lens of fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows: 1/F=1/X + 1/Y.

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

3 divided by 579 and show the work

A flower garden is 4 feet longer than its width w. Write a polynomial the represents the area of the garden.