12a + 6b equvilant expression

Find the distance between the pair of points a(-1,8) and b(-8,4)

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

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)