What are the zero(s) of the function f(x) = 4x^2 - 36x/ x - 9 A) x= -9
B) x=0
C) x=9
D) x = 0 and x = 9

Simplify the expression. enter the correct answer.

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.