What is the greatest common factor of the expression 12x^+18x^2

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

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2