The number of gallons of water, y, in a swimming pool after x hours is modeled by the equation y=40x + 200. Desribe what you know about the rate.

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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).

Write the expression as a single natural logarithm. 2 in a - 4 in y