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Find a if .

6

8

- 4

10

- 8

Which of the following is rational?

Pi

The squared root of 2

The squared root of 2 divided by 2

The squared root of 4

The squared root of 5

If triangle ABC is isoceles, with height 5, and the coordinates of B and C are (5, 1) and (9, 1), Which of these could represent the coordinates of A?

(6, 1)

(7, 6)

(7, 5)

(0, 1)

(1, – 2)

I walk somewhere. I walk 18 miles North, then get bored and walk 24 miles East. If I want to now get directly home in a straight line, and I walk at 2 miles an hour, how much time will the trip back take?

3

15

18

30

x, y, z and f are all positive integers. x is bigger than y, and z is smaller than y. Which of the following must be true?

nx = y + z

x + n is larger than z + n

ny is the average of x and z

y + n is smaller than x + z

x + y = 2n – z

Which of the following is equivalent to ?

The workout shop has weight-lifting platesof either 0.5 pounds or 1 pounds. If there are 65 plates in the shop and the total weight of the plates is 46 pounds, how many 0.5 pound plates are there in the shop?

14

19

27

38

46

I’m trying to measure the height of a tree in my yard. I’m standing 16 metres away in horizontal distance from the truck of the tree, and I’m 2 metres tall, and as I’m looking at the tree the angle between my sight-line and a horizontal line is 60 degrees. What’s the height of the tree, approximately?

16tan(60) + 2

16sin(60)

cos(60)/16 – 2

16/tan(60) – 2

16cos(60) + 2

The average/mean of 6 numbers is 9. 4 of the numbers are 2, 6, 8, and 15. What is the average/mean of the two remaining numbers alone?

6.5

11.5

7.5

I have a cube of side length of an inch. What’s the length of the diagonal from 1 corner of the cube to another?

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