If f(x)=3x^2 and g(x)= x+2, find (f *g) (x)

a. 3x^3+6x
b. 3x^2+6x
c.3x^3+6x^2
d. x^3+2

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?