10 Rotate the point (7, 8) around the origin 90 degrees. State the image of the point.
A (-7, -8)
B (8, -7)
C (-8,7)
D (8,7)

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places