It’s really hard...pls help

Select a graph that have an equation with a < 0

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.