What is the area, measured in square centimeters, of the rectangle pictured below? Do not include units in your answer.
7cm
4 cm

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?

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

P= price tax is 4% added to the price. which expression shows the total price including tax?