Chad is driving 56 miles per hour. chad drove 168 miles in 3 hours. chad will drive 672 more miles. he continues to drive at the same rate. how many hours will it take chad to drive 672 miles?

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).

Need showing work for this problem 56.25 ×25.80

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?