Prove that (sec theta-cos theta) ( cot theta+tan theta) = tan theta ×sec theta​

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 is the difference between the predicted value and the actual value

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.