How many hours worked is 6:45 am to 3:00 pm?

If R = [3 7 - 2 - 11] what is 4R

Wei-Min makes a square quilt that has an area of 100 square feet. It has 25 square blocks, each the same size. What is the length of each side of a block?

The longer leg of a 30-60-90 trangle is 18

A bicyclist travels 6 miles, in 20 minutes. Which expression does not represent the rate of the bicyclist? A: 3/10 miles per minute B:3 1/3 minutes per mile C: 18 miles per hour D: 20 miles per hour

The expression 5^-8 * 7^-9 is equal to which of the following? A. 1/5 (35) ^8 B. 1/7 (35) ^8

Which expression is equivalent to (1/16) ^-4? The answer choices are A) (-16) ^4 B) 16^4 C) 4 square root 1/16 D) - (1/16) ^-4

Efren leaves home at 9A. M. and walks 4 miles per hour. His brother, Gregory, leaves half an hour later and runs 8.5 miles per hour in the same direction as Efren. Predict the time at which gregoary will catch up to efrens.

Which inequality correctly compares two of these times? A) 54.05 > 54.15 B) 54.5 54.05 D) 54.1 < 54.05

17 : 4520 = what is the product

50 - (-33) = ? Solved and Show work