Two pens are selected at random from a pen stand containing three blue and two black pens. The table and the relative-frequency histogram show the distribution of the number of blue pens chosen. Find the probability.

What is an equivalent to 18:4

It takes 7 moles 7 minutes to dig 7 holes. How long will it take for 8 moles to dig 8 holes.

An item is regularly priced at$90. Henry bought it on sale for 70% off the regular price. How much did Henry pay?

What is - 9s-8 5s=-10

62, 52, 52, 52, 64, 69, 69, 76 for the given sample data, find

Which expression is equivalent to 2 (a+3) when a=3? A). 2 (3) B). 5 (3) C). 2 (3) + 3 D). 2 (3) + 6

A researcher measured the heights of forty high-school students. The measurements are recorded here. Heights (in inches) 58 59 60 60 60 61 61 61 61 62 62 62 62 62 62 63 63 63 64 65 67 67 68 68 68 68 69 69 70 70 70 71 71 71 71 71 72 73 74 76 If

N + 2/3 = 4/5 solve the equation and check the solution

Evaluate the expression give the value of the variable ... 11+r; r=7

How many units of insulin are in 0.75 ML a regular U - 100 insulin