Find the area of the circle to the nereast tenth

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).

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

How many ordered pairs of positive integers satisfy xy=32?