2.3
7.5
Area =
Need help

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form