A store in Newport purchased a dictionary at a cost of $5.40 and marked it up 150%. Later on, Harold bought the dictionary. If the sales tax in Newport is 10%, how much did he pay in all?

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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question

given the diagram below, what is md?

the sum of the interior angles is 360°

take away from 360 the sum of the knows angles and you will have the angle d.

360 - 108 - 108 - 72 = 72°

i think it is d. hope this