I need help with science ASAP

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

2) why do satelites not fall while revolving around the earth?