16. Which best represents the weight of a whale? A
2.5 x 10-5 pound
B
2.5 x 10-5
gram
C
2.5 x 105
grams
D
2.5 X 105 pounds

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Math i have no idea how to do a and b