Can anyone answer this question for me its on my final exam. the question is, the line y=2x-4 is dilated by a scale factor of 2 and centered at the origin. which equation represents the image of the line after the dilation.
a) y=2x-8
b) y=2x-2
c) y=4x-4
d) y=4x-8

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

What is the value of x in the diagram below?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.