What's 69 + 54 + 78 + 90+ 25 ÷ 18 * 5 +666 ÷ 69 minus 911

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

What is the radical expression that is equivalent to the expression 27 1 over 5?

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb