The third grade at millbridge school has 179 students. if there are ten more 4th graders than 3rd graders, and thirty more 5th graders than 3rd graders. how many students are in 3rd, 4th, and 5th grade?

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Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle