Me with this simplify this expression: 3 2/3x-4/5(x-3 3/4)

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

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