There are three exams in a marking period. a student received grades of 75 and 81 on the
first two exams. what is the minimum grade the student can earn on the last exam to get
an average of no less than 80 for the marking period?
solve the inequality.

Determine whether the data described are qualitative or quantitative and give their level of measurement if the data are quantitative, state whether they are continuous or discrete. soft drink sizes: small, medium, large. oa. qualitative, nominal o b. qualitative, ordinal- o c. quantitative, ordinal, discrete o d. quantitative, ordinal