What is the projection on (2,5) onto (1,3)

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$