Simplify the radical expression. 1. 27x^4y^5 2.72m^2n^8
Simplify the rational expression below. x^3+2x^2+4/x^3+8
Write the following expression as a complex number in standard form. 2-7i/-3+8i
Find all real solutions of the equation by first rewriting the equation as a quadratic equation. (Enter your answers as a comma-separated list.) 4x4 + 15x2 − 4 = 0
An investment adviser invested $14,000 in two accounts. One investment earned 7% annual simple interest, and the other investment earned 5.5% annual simple interest. The amount of interest earned for 1 year was $884. How much was invested in each account?
A total of $6200 is deposited into two simple interest accounts. On one account the annual simple interest rate is 2%, and on the second account the annual simple interest rate is 4%. The amount of interest earned for 1 year was $148. How much was invested in each account?