Juno calculated the area of a square to be 4/9 square yard. which shows the side length of the square? a 2/9 yard b 4/9 yard c 2/3 yard d 8/9 yard

Pls! does anybody know a shortcut for answering these types of questions in the future?

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

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.