Water is draining from a tank. The graph of f(x), the amount of water in the tank in gallons, as a linear function of x, the number of hours water has been draining, passes through the points (20, 0) and (0, 80). What is the rate of change in f(x) with respect to x?

Which graph represents an even function?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.