O Assignments III 28. Solve. Mr. Wang (a) log2 (x - 6) = 3 - log2 (x - 4) Sc Ans. (b) log3 (x2 - 8x) = 10 Century 29. Solve. Round answers to two decimal places. (a) 2"= 2500 High School EST 19 (b) 63x+1 = 8x+3 BEYOND THE LIMIT Ans. 12PreCalculus 12 Assignments 30. Determine the value of x. Round your answers to two decimal places. Prt Sc Sorik 4 (7*+2 ) = 92x-3 Ans. 31. Determine x . (a) log4 (x + 2) - log4 (x - 4) = Century Higlans (b) log Vx - 21x = 1 School EST 1996 Ans. 32. To the nearest hundredth of a metre, what was the skull length of a Tyrannosaurus rex with an estimated body mass of 5500 kg? BEYOND THE LIMIT Ans. 13