uilding contractor is building a backyard playground and wishes to put down rubber mulch to provide safety from falls. The contractor wishes to put the mulch id 25 feet long, 19 feet wide, and 9 inches deep. Determine the volume, in cubic feet, of mulch the contractor will need. When appropriate, use the x key on your calculator. f mulch costs $10 per cubic foot, what will the cost of mulch be? The volume is 356.25 wpe an integer or decimal.) The cost of mulch is $