nathan is 6 ft tall and casts a shadow 2.5 ft long at the same time a lampost casts a shad of 10ft long find lampost height?

my dad always looks at me and says "should of pulled out when i had the chance" 

a boat travels 36 miles in one hour what is its speed in miles per minute?



find the derivative. simplify where possible

h(x)=sin (x^2)


find the derivative. simplify where possible

 f(x)=e^x cosh x


Percentage of 10th grade boys

Suppose that the mean height of 10th grade boys is 69 inches with a standard deviation of 2 inches and that it follows a Normal distribution. Using the empirical rule, determine the percentage of... more

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