Use the completing the square method to transform the equation x2 + 2x = 13 into an equation of the form (x + a) = b, where a and b are real numbers. What are the values of a and b?

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?

Corresponding angles are a. always b. sometimes c. never congruent

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship