QUESTION 35 . 1 POINT Given the geometric sequence an with the following information, find ag. a4 = -168 448 a7 = 9 Select the correct answer below: O ag = - 224 3 Oag = _896 27 O ag = 448 9 O ag = 1792 81QUESTION 19 . 1 POINT Given u = (3, 8) and v = (-9, 5), find the dot product u . V. Give just a number for your answer. For example, if you found u . v = 4, you would enter 4.QUESTION 30 . 1 POINT What is the standard form of the equation of the parabola with the focus (0, -4) and the directrix x = 8? Provide your answer below:QUESTION 16 . 1 POINT Given the complex numbers z1 = 16 (cos(144 ) + isin(144)) and z2 = 4 (cos(24) + i sin(24 )), find the quotient . Enter your answer in a + bi format using exact values