Please help solve these questions

6.What is the solution for the rational equation? 1-x+4 = 12x-5, where x # 4 and x # 52 A.X = 2 B.X = 3 C:X = 4 DAX = 5 A. 193 7.What is the greatest angle among the following? B. 115 C. 180 D.26 8. The diameter of a circle that intersects a chord at bisects the chord. A.right angles B.acute angles Ca given angle D.any point 9.An observer watches an airplane at an angle of elevation of 35. If the airplane's altitude is 2400 m, how far away is it from the observer? A.4180 km B.4184 m C. 1378 m D.2856 m 10. The measure of an included angle between two sides is 450 and the measures of the sides are 5 m and 8 m. Find the measure of the third side. A.4.5 m B.5.5 m C.5.7 m D.5.9 m A. 100 11. Find the 23d term of the following sequence: 34, 37, 40, 43, ... B. 137 C. 150 D. 1571.Which property is used in solving logarithmic equations? A Product rule B Quotient rule C Power rule D. All of the choices 2.Evaluate: cos 0 , sec 0 A.-1 B.cos 0 C.1 D.sec 0 3. Solve the equation. 2 cos 0 - 1 = 0 for 0 0