Help!! Angle ABC and Angle DBC are adjacent angles.
What equation must always be TRUE?*
A. Angle ABC = Angle DBC
B. Angle ABC + Angle DBC = 90°
C. Angle ABC + Angle DBC = 180°
D. Angle ABC + Angle DBC = Angle ABD

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2