exam Maths Puzzle Numerical Ability

if T=a+(n-1)d find t when a=16 n=11 and d=6
find t when a=20 n=6 and d=-2

please help me im stuck!!!

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exam Other Question

FIND A TRINOMIAL THAT REPRESENTS THE AREA OF A PARALLELOGRAM WHOSE BASE IS3X + 2 METERS AND WHOSE HEIGHT IS 2X + 3 METERS The saddle height on a bicycle should be 109% of the riders inside leg measurement L Write an equation expressing the fact that the saddle height for Brenda is 36 inches.

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