How many ways are there to place 8 distinguishable rooks on a 8×8 chessboard? (in chess two rooks can attack one another if and only if they lie in the same row or the same column of the chess board.) answer the above question if there is 1 red, 3 blue, and 4 yellow rooks.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0