9. Given the following vectors: v= i +7
3j, w = i- j . Find the angle between v and w.
OA 135º
OB 75°
OC 210°
OD 150°

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

I’m which figure is point g an orthocenter

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?