I need help with these problems! What are the answers for these?

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

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Describe a situation that you could represent with the inequality x< 17