Find the number that we can place in the box, so that the resulting quadratic is the square of a binomial.
\[x^2 + \dfrac{4}{5}x + \boxed{\phantom{000}}\]

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?

36 inches/second = yards/minute how many yards?

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}