(continued) 12.) A librarian is arranging 54 books in an
array for a display. Which is a factor
pair that the librarian could use for
her display?
9
2 and 28
G 3 and 18
4 and 16
0 7 and 8

x = 25

step-by-step explanation:

a^2+b^2=c^2

7^2+24^2=c^2

49+576=625

sqrt625=25

x=25

from the sentence, "tomorrow morning, akiko will arrive an hour late" depicts a third person perspective because it doesn't use any pronoun to replace akiko, the subject of the sentence, and it is in singular form since akiko is only one person.

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.