An old blackboard needs to be covered with cork. The picture shows the size of the blackboard.
40 in.
60 in.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

How do i multiply two digit numbers

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.