exam Maths Puzzle Numerical Ability

A projectile is fired from the ground with an upward velocity of 200m/s. After howmany seconds will it return to the ground?

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exam Other Question

Solve for x:
a) 3^x-(4(sqrt3)^x)+3=0
b) 2(^x)-(12(sqrt2)^x)+32=0
c)(27(3)^x)-(12(sqrt3)^x)+1=0
d) 4(2^x)-33(sqrt2)^x)+8=0
Can someone please show me the steps?
Please solve this problem:

On November 19, 1863,Abe Lincoln delivered the famous Gettysburg Address. The speech began "Four score and seven years ago,...."

Evaluate the expre