What notation is used to represent the distance from point A to B

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Common binomial factor of 6x(3x+7)+5(3x+7)