PLEASE HELP QUICK Using the following equation, find the center and radius of the circle. You must show and explain all work and calculations to receive credit. Be
sure to leave your answer in exact form.
x + y2 + 8x - 6y-15=0

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june. how many hours did cody work per week in june?

Which is a graph of a proportional relationship?

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.