Order from least to greatest 6/7,5/6,0.8

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15