7.State the vertex for each graph, the domain and range

Which statement about the graph of y = 8(0.25)^2

Don't know how to find x given these segment lengths

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42