PLEASE ANSWER ASAP. How are direct democracy and representative democracy similar?

If ac = 12 and ab=7 is it possible that bc =10

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons