Calculate the sum of 3/1².2 ² + 5/2².3² + 7/3².4² ++ 19/9².10²

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

One positive number is 9 more than twice another. if their product is 95, find the numbers

Solve 2^x=32 and rewrite this equation in a logarithmic form