Alisa has $6.27. She has to give that value to a florist using only coins. How would she do it, using the least number of coins.

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