Joel took 4/5 of an hour to do his chores. it took halley 1/8 the time it took joel to do his chores. how much time did it take halley to do her chores? express your answer in simplest form. a. hr b. hr c. hr d. hr

The volume of a rectangular prism is found by multiplying the length, width, and height of the prism. a rectangular prism has a width of 5x^2units, a length of 7x^3 units and a height of 2x^4 units. which is the volume of the prism in terms of x?