Jaclyn estimates the square root of 50 in the following way: 150 -2.25 -205 - 10
(a) Explain why her reasoning is incorrect.

(b) Estimate the square root of 50 to the nearest tenth without using your calculator. Show your work.

Select the quadratic that has root x = 8 and x = -5

How do you solve a question like this?

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