book Maths Puzzle Numerical Ability

Can you help me answer this question? The question is b=17/8 which is a fraction times h=90 how can I find the area of that kind of paralellogram.

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book Other Question

Write in standard notation. 4.0364 x 10^-7
Please Help Me!!!!
I need to find the equation of the line passing through the point
(2,7) with a slope of m=2

A)y=1/2x-3/2
B)y=2x-12
C)y=1/2x+6
D)y=2x+3

Please show your work, so that I can learn how this is done...thanks