ILL MARK BRAINLIST IF YOU SHOW YOUR WORK and get it right Simplify 42/70

The heaviest 16% of all men in weight weigh more than how many pounds ?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103