exam Maths Puzzle Numerical Ability

Write an equation for the rule to determine, the total cost for any number, n , of customers.

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exam Other Question

I want to know how to get the exterior, interior, EVERY Angle of a Triangle. What if 3 triangles are on the same plane, and they are intersecting...what are all the angles?! THANKS Give an example of a polynomial with degree 2 that can be factored as the product of two polynomials of degree 1 each. Explain clearly how you factored the polynomial.