Use the graph of the function. Determine Over what interval(s) the function is positive or negative.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]