{2x+4y=2 }
{6x+12y=6}

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

What could explain what happened when the time was equal to 120 minutes

Through non-collinear points there is exactly one plane.