Which is equivalent to rootindex 5 startroot 1,215 endroot superscript x? 243x 1,215 superscript one-fifth x 1,215 superscript startfraction 1 over 5 x endfraction 243 superscript startfraction 1 over x endfraction

Add or subtract polynomial : –12qr? +13rq?

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?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²