What is the mid-point of the two co-ordinates (-2,5) and (4,9)

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean