If the raidus of mars(3,397 km) is about 13.7% of of neptunes radius, what is the radius of neptune?

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

i’m here for points.

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

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