12(80-x)=816 x=12; monthly earnings =$68

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a.d. is congruent to segment ac. d.)segment a.d. is congruent to segment dc.

In the expansion of (2m-3n)^9 one of the terms contains m^3. determine the exponent of n in this term

Kaley cuts half of a loaf of bread into 4 equal parts. what fraction of the whole loaf does each of the 4 parts represent?