Answer:
Step-by-step explanation:
7/10 × 4/21
1/5 *2/3 =2/15
reduce them down
Answer:
8
Step-by-step explanation:
20 think 10 times two because one book is a half
The slope is -2 because perpendicular is the resipricole to 1/2
Answer:
(55,-23)
Step-by-step explanation:
You multitiply it and then divied it by that number.