If someone can help me, please!!

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Which graph of a hyperbola represents the equation 16x^2-y^2=16

Give the domain and range. a. domain: {0, 2, 4}, range: {2, 6, 10} b. domain: {0}, range: {2} c. domain: {2, 6, 10}, range: {0, 2, 4} d. domain: {2}, range: {0}