Answer correctly and little explanation at leastlist a pair of vertical angles. a. v and xb. v and uc. z and yd. x and y

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.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Check image and write the letter of the answer