exam
Maths Puzzle
Numerical Ability
how do you do operations and unit analysis problems?
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exam Other Question
I need your help!
Solve the system by addition:
5x-4y= -5
x-2= -7
Add. Express your answer in simplest form.
4/s + 7/s^2
I have come up with 4s+7/s^2. Is this correct????