Triangle T was dilated to form triangle T prime. Which ratio is the correct scale factor? (Figures not drawn to scale.)
A- 5/18
B- 1/2
C-5/9
D- 9/10

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

The answer is 7.2 how would you put this as money