A) What is 382 rounded to the nearest 10?
380
(1)
19.7 rounded to the nearest 10?
20.0
b) By rounding each number to the nearest 10, estimate the value of
382 + 19.7
(1)

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