69. Solve: x - - 2 x 1 x - 3 3 - x 74. Evaluate logs 86 70. Our city has 2,400 subscribers for HipHop magazines. Of these, 1,200 subscribe to Magazine A, 500 subscribe to Magazine B, and 100 subscribe to 75. Expand: 3log2 (9n) both. What is the probability that a subscriber selected at random subscribes to either Magazine A or B? 77. Condense into a single logarithm: 2logx - log3 + 3logz 71. Write an equation for the nth term of the geometric sequence 5, 10, 20,. 78. Solve the equation: log, (b + 5) - log, (b - 2) = log, 6 72. Evaluate log, 81 79. Solve the equation: In(x2 - 20) = In (x) 73. John always wears a shirt, pants, socks, and shoes. He owns 12 pairs of socks, 3 pairs of shoes, 5 pairs of pants, and 9 shirts. How many different outfits can John wear