Which point is on the line that passes through 06 and is parallel to the given line

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac