If triangle ABC is dilated by a scale factor of three about the center of the triangle, dilated line D'E' will A.) be parallel to the original line

B.) shift three units to the right

C.) be perpendicular to the original line

D.) pass through points D and E

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?