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Which graph represents the solution set of the inequality -9 > ?
-13
-12-11
-10
-9
-7
13 -12
-11
-10
-9
-8
-7
+
-13
+
-12
-11
-10
-9
-8
-7
-13 12
-11
-10
-9
-7

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.