In 2007 the us population was 302 million people in 2012 it was 314 million what was the rate of population change per year?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is