4. mary, who is sixteen years old, is four times as old as her brother. how old will mary be when she is twice as old as her brother?

(psychology) i basically have to make a mnemonic device for a vocab term from the lesson, the word i chose was anterograde amnesia ( loss of memory from the point of injury or trauma forward, or the inability to form new long-term memories.) i'm not that creative and my brain feels dead so plzzz if you could i'd be sooo !

Me guys ! software enables between different types of software and between software and hardware. a. communication b. input c. output d. distribution

Which of the following entities ensure that national security policies are carried out? check all that apply.