What are the values of a and b? a=400/21, b=580/21 a=400/21, b=20/21 a=580/21, b=29/21 a=20/21, b=580/21

What is the solution to the equation in the & show work i’m very

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?