exam Maths Puzzle Numerical Ability

The population increase of Iraq is given by the equation:
A = Aoe^a.azst

where t is the years after 2003. What will be the population A of Iraq in 2020 if the population in 200

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exam Other Question
Use the formula a(sub1) + a(sub1)r + a(sub1)r^2 + ... a(sub1)^n-1 =
a(sub1) 1-r^n/1-r for the nth partial sum of a geometric sequence to find the sum 1 + 2/3 + 4/9 + 8/27 + ... 64 Solve each of the following systems by graphing.

2x-y=4

2x-y=6