Correct answer only !

which equation matches the graph?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Restrictions on f(x) = 1/x+5 and g(x) = x-2