Amber and Christina had different ideas about how to use grid paper to reduce triangles to half their original size. Each was given △ ABC drawn on half-inch grid paper. Amber drew △ A'B'C'as shown on quarter-inch grid paper. Christina drew △ A "B" C "as shown on half-inch grid paper. Who had the right idea, Amber or Christina (or perhaps both or neither)? Explain your thinking

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