1) if b is between a and c, ab=10 and ac=28, what is the value of bc? 9 18 19 38 2) if b is between a and c, ab=6x, bc=8x and ac=42, what is the value of x? 3 14 18 24 3) if b is between a and c, ab=2x-1, bc=3x+5 and ac=24, what is the value of ab? 4 7 12 17

(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