You have the letters in the word "SCIENTIST." What is the probability that you pick a vowel, do not replace it, and then pick "T"?

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

If 3x+8=3x+8 is it one solution or no solution

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).