On a recent trip, juan started at an elevation of 1200 feet above sea level. He descended into a valley 20. 4 feet below sea level. Which of the following shows one way to calculate how many feet he descended in all? a. -20. 4 – (-1200) b. 1200 – 20. 4 c. -20. 4 + 1600 d. 1200 – (-20. 4).

After rain, water soaks into the ground and is added to the groundwater. this process is known as a. groundwater pollution. b. groundwater recharge. c. groundwater recycling. d. groundwater filtration.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Analyze the analogy and read the information below it. fish : fin : : bird : wing if you were reading this aloud, you would say, "fish is to fin as bird is to wing." this analogy uses parts of an animal to relate to the whole animal. much like how a fin a fish move, so does a wing a bird move. which analogy also uses parts to relate to the whole? sky : blue : : dirt : brown flower : petal : : tree : leaf car : road : : boat : water food : sandwich : : sport : softball