Which of the following is the correct formula for the sum of the finite geometric series below? 7 7 7+ 3 7 + + 25 -... + 519 Select the correct answer below: 0 5 ( 1 - (4 ) " 1 - (7) 0 7 (1 - (3) 20 ) 1 - (5) 0 5 (1 - ( 4) 20 ) 1- () 0 7 (1 - (5) 21 ) 1 - (5) 0 7 (1 - (3) " ) 1 - (5)QUESTION 11 . 1 POINT Find the polar coordinates of a point with Cartesian coordinates (x, y) = ( 913, N/ Enter your answer in radians.You are given that cos(A) = - , with A in Quadrant III, and cos(B) = 15 17, with B in Quadrant I. Find cos(A + B). Give your answer as a fraction. Provide your answer below:If it exists, what is the sum of the series? [ zz(-3)" m=1 (Give an exact answer in the form of a fraction. If the sum does not exist, enter O.) Provide your answer b