If f(x) =x -2x and g(x)=6x+4, for which value of x does (f+g)(x)=0?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x