-3/8 divided -1/4 what is the quotient ?

Anyone know? is appreciated! will mark brainliest if correct!

(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

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4