Triangle A B C is shown. Side A C has a length of 27. Side C B has a length of 54. Based on the diagram, which expresses all possible lengths of segment AB? AB = 25
27 81

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.

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).