Which of the following equations is written in standard form? a.-2x=13 b.3x+5y=-15 c.1/2x+1/3y=-15 d.-3x+13y=25

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

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.

2x minus y equals 6, x plus y equals negative 3