exam Maths Puzzle Numerical Ability

Graph the inequality.
x - y < 2 (the sign is less or equal than..I couldnt draw the underline

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exam Other Question

Consider the function f(x)=x^2+6x-2.

Find h, the x-coordinate of the vertex of this parabola.

Answer:

Show your work. Hi i am on page 54 and my problem is 15.15.15. aand my teacher gave me 3,375 how do i do it