mahima

bob is making a design that is 5 inches by 8 inches.how many 1 inch square tiles dose he need to fill the area of the design?

The scale on a floorplan indicates that 1 foot is equivalent to 1/4 of an inch. A room that measures 160 square feet is represented by how many square inches???

human beings and animals need energy to do work.they use the energy of their muscles to do different types of work.this is called muscular energy.they get energy from the food they eat. food is,therefore,the sources of energy for manual work.

v(w-4)+k(w-4) (w-4)(v+k)