Calculate the pH at 25°C of a 0.25 M aqueous solution of oxalic acid (H2C2O4).
(Ka1 and Ka2 for oxalic acid are 6.5 × 10−2 and 6.1 × 10−5, respectively.)

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false