exam Maths Puzzle Numerical Ability

Find the following products. #48

(n + 1)(n^2 - 7n - 9)

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exam Other Question

draw the figure in a coordinate plane and find the area. A triangle defined by points: A(3,4) , B(7,4) , and C(5,7). I figured the distance between the points. AB is 4 units, AC is 2 units, and BC is 2 units. PLEASE HELP ME!!! I want to know the next four letters of this pattern: T,F,S,N,E,T