Uh her first six exams, Sheryl received grades of 48, 68, 73, 57, 64, and 75 Answer parts (a)-(d) a) What grade must she receive on her last exam to pass the course? Sheryl must receive a score of 35 or more on the last exam to pass the course. (Type a whole number.) b) An average of 70 is needed to get a C in the course. Is it possible for Sheryl to get a C? If so, what grade must she receive on the seventh exam? Assume that the exams do not have any e credit questions. Sheryl would need a score of to get a C. Since it Type whole numbers.) possible to get a score of it possible to earn a C.