If the surface area oa a hemisphere is 'S', then express 'r' in terms of 'S'.
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Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry