I need help solving these questions

5. Without using your calculator, solve for x: (a) 27"\" = 9"\" 03) log, (2x+ 6) log, (at 1) :1 6. Without using your calculator, nd the exact value of each expression: (a) Cos80 :053'3" -| sin 80 sin 35 25% b [e ' ( ) ll] 6 (C) tan [cos_' g] (d) log, 28+ log- 72109; 2 7t at (e) s1n[ + Z] 6 7. Solve AABC by nding [7, nil/i , and mC to three decimal places. cos 1+ sin 3 8. Verify the following identity: sect} tan 6 : 9. Solve for all values of6 on the interval [0, 2a) : 20353 6 + 35i110 3 : 0 10. Susan invests $5000 in an account that pays 4.5% in interest per year, compounded quarterly. (a) Determine how much money is in the account after 6 years. (b) Calculate how long (to the nearest tenth of a year) it would take her investment to grow to $8000