What 2 numbers multiply to -360 and add up to 9

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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?

Which best explains why this triangle is or is not a right triangle?