Which expression represents the volume, in cubic units, of the composite figure? π(103) + π(102)(28) π(203) + π(202)(28) 2π(103) + π(102)(28) 2π(203) + π(202)(28) will someone check my answer and tell me if its wrong and explain how to do it brainliest to the first one!

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x