Can someone me idk which one it is ? ? a b c d

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom