Given that AA'B'C'is the image of AABC, after a dilation centered at the origin, which of the following is not a valid method to determine the scale
factor of the dilation?
Divide the area of AA'B'C' by the area of AABC
Divide the perimeter of AA'B'C' by the perimeter of AABO
Divide the x coordinate of Al by the x coordinate of A.
Divide the y coordinate of C' by the y coordinate of c.

Matteo makes raspberry punch. the table shows how many parts ginger ale and raspberry juice to use for a batch. raspberry punch parts ginger ale 2 parts raspberry juice 3 matteo decides to add one part of raspberry juice. what is the new ratio of ginger ale to raspberry juice?

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)