6. Solve the triangle. 18 m 70 M 7. Simplify (3x - 1)2 - 4(x + 4)2 8. Determine the monomial that satisfies the equation (-3x2y)2( ) = -90x5y5 9. Solve -4(2x - 1) = 36 10. Factor -21x2 - 5x + 4 11. Evaluate (1;) + 4-1 - 30 Answers: 1. AABC and APQR can be solved using sine law. Find the 3'd angle in AABC and then you have matching sides and angles. You can find matching sides and angles for APQR 2. a) 4 cm b) 3.2 cm 3. a) 440 b) 56 4. a) 11 m b) 5.5 mm 5 . a ) 660 b) 520 6. 21 = 65, 1= 23m, m = 24m 7. 5x2 - 38x - 63 8. -10xy3 9. x = -4 10. -(3x - 1) (7x + 4) 11. -11 36