Need show me how to do it and the amswer

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?