Find the solution to the following system using substitution or
elimination:
y = 2x – 1
y = 5x – 7

The triangles are similar. what is the value of x? enter your answer in the box.

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

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