Use the grouping method to factor this polynomial.
x2 + 3x2 + 3x +9
a. (x+3)(x+3)
b. (x2 +2)(x+3)
c. (x2+2)(x+2)
d. (x2 + 3)(x + 2)

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?