Johan found that on a ruler, 2 feet is equal to 610 millimeters. The diagonal of his television measures 3.5 feet. Which proportion could Johan use to find x, the length of the diagonal of the television screen in millimeters?

Will give brainliest what is the value of x? enter your answer in the box.

What is the y-intercept of the line given by the equation

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.