three years ago the sum of the ages of father and his son was 48 years and three years hence father's age will be three times that of his son. find the present ages of the father and his son​

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Solve the equation.then check your solution 8=1.88+a

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.