exam
Maths Puzzle
Numerical Ability
dick is now 7 times as old as harry. in six years dick will be five times as old as harry. how old will harry be in 5 years ?
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exam Other Question
In San Francisco, 30% of workers take public transportation daily.
a.) In a sample of 10 workers, what is the prability that exactly three workers take public transportation dai
Please help....
Consider the function f(x)=x^2+4x+1
a) Find h, the x-coordinate of the vertex of this parabola.
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b) Substitute the two whole n