What is the root of the function f(x)=3x^2-21x?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.