Write an equivalent expression in standard
form and collect like terms.
2x - (x + 8) - 4

He concluded that a heavier object dropped from the same height as a lighter object will land

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

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9