The graph is/has A. order 2 rotational symmetry about the origin
B. odd
C. symmetric about the y-axis
D. neither even nor odd

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

7x+8y=-18, 4x-9y=-3 solve the system of equations

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?