Determine if the ratios are equivalent. 8/6 and 20/15

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

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?