Represent the geometric series using the explicit formula. 12, −36, 108, −324, … f(n) = f(n − 1) ⋅ (−3) f(n) = f(n − 1) ⋅ (3) f(n) = 12 ⋅ (−3)(n−1) f(n) = 12 ⋅ (3)(n−1)

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?