Lisa’s test grades are 79, 89, and 90.

What is Lisa’s test average?

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 are the solutions to the equation 4x2+3x=24-x

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships