Which of the following expressions is equal to a: 5 • 5 • 5 • 5 b: 5 • 5 • 5 c: 1/5 • 5 • 5 • 5 d: 3

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