Given: -3x + y = 1. write the equation in general form ax + by + c =0. 3x - y + 1 = 0 -3x + y - 1 = 0 3x - y = -1

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Acircle has a circumference of 7.850 units. what is its radius?