6(2x+1)-2=12x+4 no solution or infinite

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?