Verify which of the following are identities. (aka formula) 1) image one 2) image two only the second equation is an identity. none of the equations are identities. only the first equation is an identity. both the equations are identities.
time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)
The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.