Melanie invest 13,000 dollars into an account at an annual rate of 0.4 simple interest for 36 months. what is the principal of this scenario?

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.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8