Adescription of how the probabilities are distributed over the values the random variable can assume is called a

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4