Afactory can produce two products x and y with a profit approximated by p=14x+22y-900. the production of y must exceed the production of x by at least 100 units. moreover production levels are limited by the the formula x3y≤1400
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Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.

What is the approximate difference in tenths between √12 and √15?