A square piece of paper has an area of 59.16. Use a Mathematical table to find the measurement of its sides.

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The total number of trees in a forest was recorded as 54,001,000 in newspapers in one day.

1. What is the number of trees rounded off to the nearest tens of millions?
2. What is the number of trees in the forest written in words

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Determine the value of:

-32 x (+24) ÷ (-9) - (-12) + (-15) 

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Use substitution method to work out the values of x and y in the simultaneous equation:

5x + 2y = 19

2x - 4y = - 2

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The speed of an accelerating body can be determined at a particular time using the equation:

S = 3 t²+ ¹/₂ t  

Determine the speed(s) when t = 6.

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Solve the following simultaneous equation:

3a - 2b = 7

2a + b = 7

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A mason mixed cement, sand and gravel in the ratio 1:2:4 respectively to lay a foundation for a school’s poultry house. The mass of the sand was 900Kgs. Determine the mass of the cement and the gravel used.

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A family of five people has food to last them for 14 days. Two more people joined the family. How many days will the food last if they eat the food at the same rate?

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