Answer: C
Explanation:
$500 - $85.35 = $414.65
$414.65 - $42.10 = $372.55
$372.55 + $210 = $582.55
The second one probably because of the law of conservation of mass where mass is not created or destroyed, so the mass has to be the same.
♥ They make use of a control group because its something that they can look into, something to compare to. <span />
Optical nervous system pathway information travel from the eye
Density - Calculated from measurements of mass and volume
Atom - the basic particle of matter
Motion - calculated from measurements of distance and time
Energy - can change form and move matter
Can't see the last one but you know process of elimination soo