The area of a square is 289 ft2. What is the length of each side?

17 ft

Step-by-step explanation:

the area of a square is length x length, or

so, since you already have the area, do the opposite of squaring it, which is finding the square root.

= 17

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.