Amixture contains forty ounces of glycol and water and is ten percent glycol. if the mixture is to be strengthened to twenty-five percent, how much glycol is to be added?

1. 4 oz
2. 8 oz
3. 10 oz

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv