Keesha wants to tile the floor shown in the accompanying diagram. If each tile measures
1 foot by 1 foot and costs $2.99, what will be the
total cost, including an 8% sales tax, for tiling the
floor?

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire