What quantity of a 65% acid solution must be mixed with a 25% solution to produce 600 ml of a 45% solution?

Which of the following expressions is equal to 2x^2+8

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.