On a test that has a normal distribution, a score of 18 falls two standard deviations below the mean, and a score of 38 falls three standard deviations above the mean. Determine the mean of this test. ​

The triangles are similar. what is the value of x? show your work.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)