If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Combine like terms to make a simpler expression 3z+z

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.