There are 20 Boys on the Alden Middle school soccer team,40% also play on a travel team. How many of the boys on the middle school team also play on a travel team?

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