fredrick has so many student loans, he can't afford rent on an apartment. most of the time, he lives in his car and even though he has a job, he can't seem to make enough to save for the deposit and rent payments. he rarely gets a full night's sleep and as a result he has difficulty concentrating at work. he is jumpy and scared at night and worried all the time. fredrick is struggling to fulfill which two of maslow's needs?