I will give brainleist just plz answer

Can someone me and plz do the problem

9/10 divide by -3/15 as a mixed number

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