Divide the fractions, simplify as much as possible

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?