A survey of 225 students provides a sample mean of 7.10 hours worked. What is a 95% confidence interval based on this sample?

Which of the following graphs represents the function f(x) = 2^x

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

When y’all answer can y’all explain too !