exam
Maths Puzzle
Numerical Ability
Ratio and Proportion
can you please help me: (((find the hypotenuse of a right triangle with sides 5 inches and 10 inches)))
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exam Other Question
Graph f(x)=-x-2
I am not sure how to come to the solution in order to graph it.
x^2 + 9x + 20 =(x + 1)(x + 20)
Is this right?