The model represents a polynomial and its factors.
Which equation is represented by the model?
+x
OOO
A)x2 - 2x - 3 = (x - 3)(x + 1)
B)x2 - 4x + 3 = (x - 3)(x - 1)
C)x2 + 2x + 3 = (x + 3)(x - 1)
D)x2 + 4x - 3 = (x + 3)(x + 1)

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?