PLEASE HELP URGENTLY! The ratio of red to blue counters is 1:3 how many more red counters do you need to add to make the ratio of red to blue 4:1

WILL GIVE BRAINLIEST!
IM GIVING EXTRA POINTS

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?