Which of the ordered pairs in the form ( x, y) is a solution of this equation 3x+2y=6

After two years, how much has been paid into interest?

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).

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)