The variable y is directly proportional to x. If y=-0.6 when x=0.24, find x when y=-31.5

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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.