List all the prime numbers between 1-20

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Which expression shows the sum of the polynomials with like terms grouped together

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