Based on the diagram, which reason justifies this statement? If ∠CEF is complementary to ∠DCF, then
∠DCF ≅ ∠FEG.

Complements of the same angle are congruent.
Complements of congruent angles are congruent.
Supplements of the same angle are congruent.
Supplements of congruent angles are congruent.
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With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

The surface area of the triangular prism is .

What ia the sum if the first 7 terms of the geometric series