Find the slope of the line containing points (1,3) (-3,-8)

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.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Write the equation in logarithmic form e^x=403.429