The Nightmare

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Across
  1. 3. Parallelogram ABCD if ∠ABC=30°, what is m∠BCD? (No need to type °)
  2. 4. The LCM of 3 and 7 multiplied with x
  3. 6. HCF of 896 and 672, raised to the power of 1.56. Answer in 6 decimal places
  4. 12. Expand 5x(2y+z)+3(y^2+7yz)
  5. 15. Angle x, y, and z form an Isosceles Triangle. If x=40°, z>115°, what is y (No need to type °)
  6. 17. 3.51(67.2/15.45)^2 Rounded to 1 decimal place
  7. 18. Cube root of 729, raised to the power of 4/5. Write your answer in 6 decimal places.
  8. 19. Simplify 8xz-4z-2xy+3xz
  9. 22. LCM of 167 and 782, divided by 9/56. Write your answer in improper fraction
  10. 23. 6.4(74.52+17.5 . 243)^-1 (Answer in 5 decimal places)
  11. 25. Simplify (6y^-2)/(3y^4)
  12. 26. How many sides does a Decagon have?
  13. 27. Simplify ((6x^-2)/(2x^3))^x
  14. 28. Find the value of the expression z^z - ((1^z)/z)(z/(z^2)) if z=2
  15. 29. 12th Square Number (4 is first, 9 is second, so on) divided by 6/7, rounded to 2 decimal places
Down
  1. 1. (5.23-8.26(3))-(7.2(3.65))^2 Answer in 4 decimal places
  2. 2. What is the size of each exterior angle in a nonagon? (No need to type °)
  3. 5. HCF of 130 and 52 multiplied with 7x-3+6y
  4. 7. What is the value of x if 360°=2x+x+4x+150° (No need to type °)
  5. 8. Expand 7(2yz-3x)+6(2y-xz)
  6. 9. Rectangle ABCD has a line crossing from A to C. Angle A is divided into 2 angles, angle X and Y. If x=30, what is m∠y? (No need to type °)
  7. 10. Find the value of the expression (y^(1/3)y)(1/3y)+2x^y Answer in 2 decimal places
  8. 11. Cube root of 274625, raised to the power of 2/3
  9. 12. What is x+y if 2(x+y)=360° (No need to type °)
  10. 13. Ying has $26,720 at the bank. She then deposits $278 to the bank, and then withdraws $1273, What is her new balance? (Answer without &)
  11. 14. 7.3(7.54-6.78)-4^1.3 Rounded to 4 significant figures
  12. 16. Prime number after 5.81^2.94, multiplied with 9x-6y+19z
  13. 20. Triangle ABC is an acute-angled triangle. A line AD passes through B, if ∠CBD=100°, ∠CAB=70°, What is m∠ACB? (No need to type °)
  14. 21. Simplify 6z+3xz+6-7z
  15. 24. triangle XYZ is an equilateral triangle, what is m∠YZX+m∠XYZ? (No need to type °)
  16. 26. Find the value of the expression ((x^3)/(1.5^x))-3.1x+(1/3)x if x=4 (Answer in 3 decimal places)