X^4 + x^2 = 11/5 then find value of

\sqrt[3]{ \frac{ x + 1}{x- 1} } + \sqrt[3]{\frac{x - 1}{x + 1} }

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Select the correct answer and solve for y