The tables show some input and output values:

Table A

Input Output

1 7

2 9

3 9

4 5

Table B

Input Output

6 1

7 3

7 2

8 5

Which tables represent functions?

Only A

Only B

Both A and B

Neither A nor B

A mixture weighing 600kg has two ingredients: sand, cement and stones. There is twice as much cement as sand and three times as much stones as sand. How much cement in the mixture?

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The product of 110 and h, plus 115 equals 63

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8=0.8 is it the answer 10

Pat and Julie share some money in the ratio 2 : 5 Julie gets £45 more than Pat. How much money did Pat get?

Two thirds of a number reduced by 11 is equal to 4 more than the number. Find the number

Describe when to use a series and when to use an equation. For example, when would you use: f (x) = 3x+5 and when would you use: Height = 2 + 3n (where n is 1, 2, 3 ...)

Round 593,204 to the nearest ten thousand

The measure of an angle and the measure of its supplement are equal. find the measure of each of the supplementary angles