Solvex - 8x = 3 by completing the square which is the solution set of the equation?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).