If three cuboids were put together would the volume of the new solid be the sum of the volumes?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red