PLEASE HURRY AND GET THE ANSWER CORRECT I WILL MARK BRAINLIST Evaluate and simplify the following complex fraction.
3/8/1/-7
screenshot below

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.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas