Các tập nào sau đây là không gian tuyến tính trongRna)E={x= (x1,...,xn)∈Rn:x1=x2=···=xn= 1}b)E={x= (x1,...,xn)∈Rn:x1+x2= 1}c)E={x= (x1,...,xn)∈Rn:x1>0}d)E={x= (x1,...,xn)∈Rn:x1>0,x2>0,..., xn>0}

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer