Use the formula SA=2(ℓw)+2(wh)+2(ℓh) to find the surface area for a rectangular prism with the length ℓ of 2.1 m​, a width w of 1.78 m​, and a height h of 4 m.

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?