5. Jordy is working on her homework. She has a total of 5 assignments to complete by Friday. If Jordy has completed 1 1/3 assignments, how many assignments does she
have left to complete?

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 the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

If the discriminant if a quadratic equation is 4 which statement describes the roots?