Davon 15 shares of abc mining stock on monday the value of each share was $2 but on tuesday the value of $5 what is the change in value of dave's shares

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

A50% increase followed by 33 1/2% decrease

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?