What is the standard deviation of the following data set round to the nearest 10th 60, 40, 35, 45 and 39

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your