The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x - 3). Which equation can be used to solve for the value of x?

What is the vertex form of f(x) = x2 + 6x + 3

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?

The amount of energy it takes to lift a box might be a function of which of the following