What is the sum of the first five terms of the geometric sequence in which a1=10 and r=1/2?
(express your answer as an improper fraction using the slash (/) key and no spaces.)

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by