exam Maths Puzzle Numerical Ability

Please help me with this problem:

2^5 * 2^b+3 * 2^3-b

Thanks a whole bunch!

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exam Other Question

Please help me figure out the value of y.
Problem:
3y + 2 < 7 - 2y How would I identify whether this is a parabola and if it is what is the focus or the directrix or if it is a circle how would I give the center and radius or if it is an ellipse o