Algebra pls
x + y = 3k x - y = k the solution of the system shown is
(0, 2k)
(2k, 0)
or (2k, k)

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.

What is one way that adding and subtracting polynomials is similar to adding and subtracting whole numbers and integers