Match each of the four lines with a line that is perpendicular to it D
y = x + 1
y=-x+2
y = 4x + 9
y = -x + 1
y = 1 - 2
Select an

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Select all the statements that apply to this figure