Which term describes lines that intersect at a 90° angle?
a. perpendicular
b. vertical
c. complementary
d. parallel

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.

What is 96 divided by 7,488mark as brainliest

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.