13x + 6y = -30
x - 2y= -4

which ordered pair is the best estimate for the solution to the system?
a. (-2.5, 0.25)
b. (-1.25, 1.75)
c. (0.75, -3.25)
d. (-2.5, 0.75)

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units