When bisecting an angle using a straight edge and a compass, the straight edge should be used to a) mark the point m. b) measure the angle aob. eliminate c) copy the angle with an arc. d) connect point m and vertex o.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal