Cheng likes a modern lawn sculpture made of four identical solid right pyramids with square bases. he decides to create an exact copy of the sculpture, so he needs to know what volume of sculpting material to purchase. he measures each edge of each base to be 2 feet. the height of the whole sculpture is 6 feet. what is the volume of material he must purchase? 2 ft3 4 ft3 6 ft3 8 ft3

Use the information given below, to compare the cost of operating two different vehicles for one month (4 weeks) you are considering two different cars. you drive to work, a 20 mile round trip, five days a week. gasoline costs you $1.50 per gallon car agets 28 miles per gallon, would have $300 a year in maintenance costs, and would cost you $1,500 per year to insure car b gets 19 miles per gallon, would have $500 a year in maintenance costs, and would cost you $1,000 per year to insure costs car a car b gas cost per month insurance cost per month maintenance cost per month $ total cost per month