This is for my midterm, please give explanation

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4