Answer:
A.
Step-by-step explanation:
The sum of angles of a triangle is 180. if you add 85+45+60 you get 190. That is more than 180.
Answer:
Step-by-step explanation:
let the number be x
(x+6)/3 =21
x+6=21*3
x+6=63
x=57
Answer:
b is right
Step-by-step explanation:
Make a graph then point all of the number
我們的確認為自己沒有把握時間前往取回本書就要開始有什麼關係,他們會不會覺得自責的