The length of a piece of string is 9 cm rounded to the nearest cm.
what is the lower bound of the length of the piece of string

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

If you answer 2+2 you will get over 80 points

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