f(x)=x^3-2x^2-11x+12 r theorem to find the x-intercepts of the function, and plot their x-values on the number line.

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Charlie tosses five coins.what is the probability that all five coins will land tails up.