Sale price for a bicycle is $315. the original price was first discounted by 50% and then discounted an additional 10%. find the original price of the bicycle.

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.

Hi, can anyone show me how to do this problem? 100 points for this. in advance

What is the slope of the line that contains the points (-2,1) and (0,-3)