Which sentence contains an example clue that the reader understand the meaning of “frugal”?

we were very frugal, very careful to save our money and not to spend too much.
our frugal lifestyle included clipping coupons and waiting for sales before shopping.
raised to be economical with the money we earned, we all went on to lead frugal lives.
our friends spent whatever they earned wastefully, but we were frugal with our salaries.

According to stephen hawking in the "origin of the universe" lecture, "why are we here" and "where did we come from" are questions that

Read the excerpt from act 1, scene 3, of julius caesar. cassius. am i not stayed for? tell me. cinna. yes, you are. o cassius, if you could but win the noble brutus to our party— cassius. be you content. good cinna, take this paper and look you lay it in the praetor’s chair, where brutus may but find it. and throw this in at his window. set this up with wax upon old brutus’ statue. all this done, repair to pompey’s porch, where you shall find us. is decius brutus and trebonius there? cinna. all but metellus cimber, and he’s gone to seek you at your house. well, i will hie, and so bestow these papers as you bade me. cassius. that done, repair to pompey’s theatre. what is cassius’s motivation for sending brutus the letter? cassius wants to make sure that cinna is on his side. cassius wants to reassure cinna that brutus will follow them. cassius wants to sway brutus to kill caesar. cassius wants to alert brutus about the conspiracy against him.

What was the main reason for truman’s decision to drop the atomic bomb on japan? to shorten the war to punish japan to save american lives the answer is c!