Joy invests $11000 at 3% simple interest for 11 years. How much interest is earned over the 11 year period?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76