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Bring the fraction a/a-4 to a denominator of 16-a^2

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2