Find the product of x^2+2x-4 and 3x.

a. 3x^3+6x^2+12x

b. 3x^3+6x^2-12x

c. 3x^3+2x-4

d. -3x^3

Which expressions are equivalent to -6 + 3m

Witch represents the inverse of the function f(x)=1/4x-12

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?