1/3x + 5 = 12 , I need the answers to this equation

Which is the graph of the function y=2(4)^x

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.