Second derivative of H (x) = x^3 - x^2 + 1/x

1) Amy and her sister are making lemonade for the school dance. Their recipe makes 2 quarts of lemonade. If they make 35 times the recipe, how many gallons of lemonade will Amy and her sister have?

Alberto uses the steps below to solve the equation. Step 1: Step 2: Step 3: Step 4: Step 5: Step 6: Which justifies Step 6 of his work?

What is 10 and 7/12 in an improper fraction

Which of the following is a correct conversion of 50 kg? a. 5,000 g b. 50,000 mg c. 50,000 g d. 5,000,000 mg

You can now sell 80 cups of lemonade per week at 40¢ per cup, but demand is dropping at a rate of 4 cups per week each week.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.