What is the ratio for the cosine of angle b? ?

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.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error