At a refinery, 100,000 tons of sand are required to produce each 60,000 barrels of a tarry material. how many tons of sand are required to produce 3,000 barrels of this tarry material?

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Let x = a + bi and y = c + di and z = f + gi. which statements are true?