Which of the following lists of ordered pairs is a function? A. (1,7), (2,5), (3,6). (4,1)
B. (2,5), (3, 8). (4, 11),(4,12)
C. (0,4), (1, 2), (1, 0), (2,3)
D. (3,-2), (2, -1), (3, 4), (4,7)

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2