Find the sum of the polynomials below: (4x ^ 7 + 5x ^ 5 + 1x + 6) + (10x ^ 7 + 6x ^ 5 - 4x + 4)

How to write 3 tenths and 5 tenths as a decimal

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

What is the result of adding the system of equations? 2x+y=4 3x-y=6