exam Maths Puzzle Numerical Ability

Another graphing question. I tried to do this and got (4,4) Obviously it was wrong.



The problem is
2x+y=5 3x-y=10

Please and Thank You=)

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exam Other Question
A dice is rolled by Ram. Ram is given an amount which is three times the number shown by the dice, every time he rolls the dice. Also by rule Ram has to Pay a fixed amount K to Shyam after rolling the dice. what is the amount K if Ram makes a Profit of Rs. 3 after each game

Options: 3, 6, 7.5, 9 I have these problems and in need of help . Please explane and help me . Thanks .


For f(x) = 5x - 4, find f (-1).


Perform the indicated operations:
(x2 - 4x + 1) - (-8x2 + 2x - 6) - (x2 + 3x - 5)