I think the answer might be B
Answer:
x=3, -1/7
Step-by-step explanation:
7x^2-20x-3=0
Factor.
(x-3)(7x+1)=0
x-3=0 ⇒ x=3
7x+1=0 ⇒7x=-1 ⇒x= -1/7
Any transformation involving change of scale will not result in a congruent figure. Rotations and reflections and translations maintain congruence.
Answer:
(2*5) 3*7-1*6÷3*2+1*4÷2*5=216