M-4 Which expression is equivalent to m+7 (m+2) ?
m-4
(m+4)(m+2)
(m+4)(m+2)
m-4
(m-4)(m+2)
m+4
m+4
(7-4)(m+2)

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.