exam
Maths Puzzle
Numerical Ability
-7 squared = 294 or -294
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exam Other Question
Solve the system by addition.
5x - 3y = 13
4x - 3y = 11
I am having trouble with hyperbolas. Please help me determine the foci and equations of the asymptotes of: 9x^2-25y^2=225. Thanks for your help.