Strong math) 99x9 (no calc)

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Given the net of the rectangular prism, what is its surface area?

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected