4. Kelsey decides to go to the other store called Better Games. This store uses the same ratio for all of their Rulers of Math card packs, but it uses a different ratio than Variety Games.
Better Games has 2 rare cards for every 7 regular cards, making a pack of 9 cards. Kelsey
wants all of the cards, but especially the rare cards.
Which store has the highest ratio of rare cards in each pack?
Show how you know.

Ithink the answer is discovery verbs because they are quite similar to the verb 'discovering'

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.