Prove that the following points are the vertices of equilateral triangle (3,3),(-3-3),(-3√3,3√3)​

What expression is equivalent to 42x-56y

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

What is the ratio of the length of an object in yards to the length of the same object in miles?