Determine if 9x2 - 42x + 49 can be the area of a square. if so, what would the value of x have to be if the area of the square is 64 square meters? a = s2

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation