The area of the bottom of a rectangular swimming pool is 280 square meters. the perimeter is 68 meters. what are the dimensions of the pool?

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

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?