Please answer this question
Attachments:
Answers
Answered by
1
Answer:
Answer is -36
Step-by-step explanation:
Given: d= -12
a20= a+19d
a17= a+16d
a20-a17= (a+19d)-(a+16d)
= 19d-16d
= 3d
= 3(-12)
= -36
Similar questions
English,
3 hours ago
Social Sciences,
5 hours ago
English,
5 hours ago
Science,
7 months ago
Physics,
7 months ago