Given: ∆abc, ab ≅ cb bd − median to ac e ∈ ab , f ∈ bc , ae = cf prove: △ade ≅ △cdf δbde ≅ δbdf

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Which one is the correct answer, and why?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.