exam
Maths Puzzle
Numerical Ability
Are the ordered pairs a solution of 4x+6y greater than or = to 48
ordered pairs::: (5,5), (10,-2), (-2,10), (6,4)
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exam Other Question
The solution of the system 4x+5y =2 and 6x-2y=b is (3,a). Find the values of a and b.
Helpp
Multiply. (x- 10)(x + 9)
I tried to do this one and ended up with the same equation. I am not sure how. Please help.
Thanks.