If the variance of a variable is 81, what is the standard deviation? (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.)
The standard deviation is
(Type an integer or decimal rounded to two decimal places as needed.)

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

all you have to do is multiply them both to see how many out comes you can put:

3 x 2 = 6

you can make 6 diferent combinations of crusts and toppings.

~batmans wife dun dun