Answer:
-43K+17
Step-by-step explanation:
(–9k3 + 12k2 + 9) – (10k3 + 3k2 + 4k – 8)
-9.3=-27 10.3=30
12.2=24 3.2=6
=(-27k+24k+9) - (30k+6k+4k-8)
COLLECT LIKE TERMS
=(-3k+9) - (40K-8)
= -3k+9-40k+8
= -43k+17
Answer:
Answer C: 8
Step-by-step explanation:
Look at the dots for each week and see how much money was in the account.
Week 1 was 10, week 2 was 30, this means he saved 20
Week 5 was at 50, week 6 was at 80, this means he saved 30, which was the most.
The answer is 5 & 6.