Can anyone help me out?

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

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next