Describe the following transformation from A to A'. a
Rotated 90 degrees counterclockwise
b
Reflected across the x-axis
c
Reflected across the y axis
d
Rotated 90 degrees clockwise

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.

How to do this , and can some one explain

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form