Which statement is true?

1720 is not reasonable because the sum should be less than 12 .

1720 is reasonable because the sum should be between 12 and 1.

1720 is not reasonable because the sum should be greater than 1.

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

70.30

step-by-step explanation:

i dont know

step-by-step explanation:

umm. i dont know

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.