What is x-45=5×2 smakmasmakskskkzksakak

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.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation