Kiemanh is solving the equation. What is the value of r? 2 4 15 27.

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.

Sat no calculator section question in the picture

Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?