exam
Maths Puzzle
Numerical Ability
State which method should be applied as the first step for factoring th polynomial (x-6y)^2-1
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exam Other Question
A boat travels 45 mi upstream (against the current) in 5h. the boat travels the same distance downstream 3 h. what is the rate of the boat in still water? what is the rate of the current?
solve each of the systme by using either addition or substitution. If a unique solution does not exist, state whethere the system is dependent or inconsistent:
10x+2y=7
y=-5x+3