A red blood cell is 0.000007 m in diameter. There are about 20,000,000,000,000 red blood cells in a 125 lb person. if all the red blood cells were lined up in a line end to end how long would the line be?

Is it possible to cut a rectangular prism so that its cross section is a circle orman ellipse?

Factor completely 3x^2 + 2x + 1

2,500 calories in 24 hours

Which statement about the graph of the function f (x) = 2x^2-x-6 are true? A. The domain of the function is x B. The range of the function is all real number C. The vertex of the function is [ (1/4) - 6 (1/8) ] D. The function has two x-intercepts E.

In order to safely aid traffic flow, you should a. Keep up with traffic even if its faster then speed limit b. Stay to the left if you are traveling slower than the rest of traffic.

What is the answer 1/2k+6=4k-8

Choose all the values of b that make the following statement true: 7/30 = 28/b. A. 830/7 B. 110 C. 120 D. 130

Use each student's quiz score to answer the questions. Annika's quiz scores 60%, 75%, 78%, 80%, 85%, 85%, 90% Josiah's quiz scores 62%, 65%, 68%, 79%, 83%, 90%, 92% Annika has a mean that is Josiah's mean. Josiah's median is Annika's median.

How to combine like terms

It's 7:40 what time will it be in 3 1/2 hours