If all of the diagonals are drawn from a vertex of a hexagon, how many triangles are formed?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.