What is the equation for a line that intersects the origin and is perpendicular to 2x -4y=13? A. y=-2
B. y=2x
C. y=-2x
D. y=1/2x
E. y=1/2x-13/4

Find the solution of system of equation y= x-4 y=4x+2

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project