Two bugs are running back and forth along a straight branch at constant speeds without stopping. they start from opposite ends of the branch at the same time and meet for the first time 40cm from one end of the branch. they continue to the ends and return, meeting for the second time 20 cm from the other end of the branch. how long is the branch?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Which number line correctly shows 0.8 + 0.3?

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.