How to solve this inequality -6+b> -6

Which of the choices shown could be used to prove that aacp=abcp ?

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)