Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85, and 83, what score does she need on the fifth exam for her overall mean to be at least 78?

The answer would be a 70

Step-by-step explanation:

If her scores on the first four exams are 71, 69, 85, and 83, what score does she need on the fifth exam for her overall mean to be. a. at least 70

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.

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