What is the equation for the line of reflection?

x=6
y=6
y=x
y=2​

The graph of g(x) is a translation of y = which equation represents g(x)?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?