14+3n=8n-3(n-4) foes this have an answer, no, or infinite solution

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent