Simplify negative 4 over 5 ÷ 3 over negative 2. negative 8 over 15 negative 6 over 5 6 over 5 8 over 15

Could somebody me with this radical simplification?

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf