How do you classify angles 2 and 11 as corresponding or alternate or interior?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?

Susan is paying $0.30 per $100 on her $483,000 home in homeowners insurance annually. if her annual homeowners insurance premium is divided into twelve equal monthly installments to be included on each of her monthly mortgage payments of $2,128.00, what is her total monthly payment?