# Maths

##### Across
1. 2. What is the 174th odd number?
2. 3. In the picture at the right, solve for a
3. 4. V = 3b + 2b^2. Find the value of V when b = 4.
4. 5. Find √1369.
5. 7. If y = 14884, find y^(1/2)
6. 9. Find (43^2 x 27^2) / (8√256)
7. 11. If x = 4 and y = 8, find 2(4xy + 5) + 3(5x + 7y)
8. 13. Ben has \$1247 and he gives \$335 to charity. During his birthday, John gave him \$500. How much money does he have?
9. 15. What is the round of value of 108.76 to its nearest whole number ?
10. 17. Size of each interior angle in a 30-sided polygon.
11. 18. Find 17576^(3/2)
12. 19. An angle in a base of an isosceles triangle has a measure of 70 degrees°. What is the exterior angle of the angle that is not on the base of an isosceles triangle.
13. 20. In the picture above find x
14. 21. HCF of 900 and 1350.
15. 22. Find the HCF of 210 and 350 using prime factors.
16. 23. John has a balance of \$25.5. He deposits \$34.5 and then withdraws \$10. How much money does he have?
17. 24. In the picture above find y
##### Down
1. 1. Given that a = 14, b = 6 and c = 2, ab+24/2c.
2. 2. Sum of the next 3 odd numbers after 10345.
3. 5. Change 34/9 into a decimal and express the decimal to 3 sf
4. 6. Find the LCM of 2352 and 280 using prime factors.
5. 8. 69 + [25 x (9-2)] = ?
6. 10. If x = 7, find 4(7x+48)
7. 12. A polygon has an angle sum of 2520° How many sides does it have?
8. 13. LCM of 336 and 280.
9. 14. Simplify 7x - 2y - 3x + 5y. After simplifying, find the answer if x = 12 and y = 15
10. 15. A quadrilateral is in the form of a kite. The length of its diagonals are 20 cm and 10 cm. The area of the kite is….
11. 16. Find 865^2.
12. 17. Simplify (45x^2y) / (9x^2). After simplifying, find the answer if y = 25
13. 22. In the picture below, find x