Eight trials are simulated. The results are shown in the table. What is the estimated margin of error, using standard deviation? Enter your answer, rounded to two decimal places, in the box.

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2