Answer:
question 12 is answer B
question 13 is -8x^3
Step-by-step explanation:
exponent rule 
Answer:
2y-8
-Step-by-step explanation:
2y +4y = 2y
so
2y - 8
Answer:
It is B, 7 points.
Step-by-step explanation:
You can start from the point (8,2) and then you go up 7 points to reach the point (8,9) which is 7 points.
Katie won't have more than 100 shells until the 7th day
Step-by-step explanation:
what is THE partial product ? there is a mistake in your problem description.
it must read "what are valid partial products".
1262×3 has the following partial products :
1000×3 = 3000
200×3 = 600
60 × 3 = 180
2×3 = 6
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3786
so, D seems to be the best answer, because both numbers are partial products here.
A, B and C have each only one correct.