Si 36 naranjas cuestan 48 soles ¿cuánto se pagará por tres decenas de naranjas​

Solve for r in the formula v = ir, when i = 5 and v = 15.

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

What tests were able to determine when continental crust was formed?