What is the product of (3+4i) and its conjugate? A. 25
B. 9 + 16i
C. 9 - 16i
D. -49

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

What is the frequency of the sinusoidal graph?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean