What type of symmetry does the figure have?

line symmetry only
rotational symmetry only
both line and rotational symmetry
none of the above

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

What are the exclude value of mn+3m