this is a question from SASMO olympiard

this is a question from SASMO olympiard

A number that can divide 43 and 57 and leave no remainder. Ultimately I want to find the ratio of the two numbers.

The sum of three numbers is 123 The second number is 4 times the first The third number is 12 less than the second number

i am doing a graph plotting in volume and temperature it has asked: How do you calculate rate of expansion of gas with temperature with a gradient of the line being 0.2?

i am looking for the workings how the answer gets to be 1/x^1/2

I would like to know the value of y and x is -3 but y is -x+.

what would the distance be if the object were the moon instead.

11/40 of the people at a wedding celebration are men. 34% of the people are women. the rest of the people at the wedding are children. Work out the percentage of children at the wedding

A rambler club buys hats in packs of 12 and scarves in packs of 18. The club buys exactly the same number of hats and scarves. What is the smallest number of packs of hats and the smallest...

i need help

i need help with this question

if a cube is filled with an ideal gas to a pressure of 18.0 atm at 0°C(273K) and volume of the cube doubles and the temperature is raised to 25°C, what is the new pressure?

I need help with this question

to continue this question: calculate the volumes of each of the three chemicals in a 5ml sample.

answer please

The ratio is 3:4

If the Earth is 150,000,000km from the sun, and it takes 365.25 days to circle around the sun, show that the speed of the Earth’s orbit around the sun is 107515km/h. Give your answer to the nearest...

I don’t understand the question

1. AB and CD are parallel sides of trapezium ABCD. Diagonals AC and BD intersect at O. prove that ar(ΔAOD) = ar(ΔBOC).

asked by my kids homework and the teacher reckons the correct answer is 40 - not sure this is correct