exam Maths Puzzle Numerical Ability

Which is the slope of Ax+By=C?

-B/A C/A -A/B C/B

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exam Other Question

Difference of two numbers is 14. The second is less that 2 times the first. What are two numbers?
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> I found a way for this to be both -13 and -27, or 15 and 29. Which is correct? The earth traces an elliptical path (with eccentricity e=0.017) around the sun. If the sun is at one of the foci and the length of half the major axis is 93 million miles, estimat