Difference between arctan and arctan?

Hurry. only answer if you know. ⚠️2. why did the allied powers try to appease nazi germany before wwii a) all of the following were reasons for appeasement. b) world war i was so terrible that many leaders never wanted another war. c) many people thought the newly-strengthened soviet union was a bigger threat d) many leaders wondered if they could win another war. ⚠️3. which of these is the viewpoint of an isolationist? a) “nazi germany needs to be stopped! ” b) “we can’t just sit here and let hitler take over europe! ” c) “we have to step in and save china from the japanese invasion! ” d) “let europeans fight european wars. we have enough problems to take care of in america” ⚠️4. which statement represents what an interventionist would think? a) the us should avoid making alliances with other countries b) germany isn’t that big of a deal, and we’re safer if we let them do what they want c) the axis powers are threatening to america and should be stopped d) fighting france, england, and china’s battles for them would be a mistake ⚠️5. which of the following events launched america into its involvement in wwii a) the sinking of the uss maine b) the attack on pearl harbor, hawaii c) the sinking of the lusitania d) russia trying to position warheads in cuba ⚠️7. at the end of the war, two countries emerged as global superpowers. which two? a) the us b) great britain c) france d) the union of soviet socialist republics e) germany ⚠️8. the holocaust was an international tragedy, but didn’t start with forced extermination and labor camps. before any concentration camps were in operation, what were three ways anti-semitism effected those under german control?

Which statement describes the central idea of the text? a. while the nigerian government has the wealth to improve the conditions in prisons, they continue to view it as a low priority. b. nigerian prisons neglect the physical and mental health of their prisoners by failing to provide them with basic necessities and services. c. the inhuman conditions in nigerian prisons could easily be improved, but the environment is considered part of prisoners' punishment. d. conditions in nigerian prisons are slowly improving as non-government organizations and citizens are providing much-needed equipment to the prisons.

*history * who was clyde ross and how was he impacted by housing discrimination?