Answer:
Step-by-step explanation:
a.......... 
Answer:
no
Step-by-step explanation:
315x4= 4410. Therefore, if an album holds 500 cards, she would need 9 albums.
Answer:
b + 9
Step-by-step explanation:
Given:
(b + 3) + 6
Required:
Rewrite expression without the parentheses.
SOLUTION:
(b + 3) + 6
Eliminate the parentheses
b + 3 + 6
Add like terms
b + 9
Thus:
(b + 3) + 6 = b + 9
Answer:
3
Step-by-step explanation:
subtract 1 from 13 divide the number by 4
Answer:
51 trees
Step-by-step explanation:
Start at one end of the 50-foot line segment.
At position 0 ft, put one tree.
Then 1 ft from 0 ft, put tree number 2.
One more foot over, at position 2 ft from the start, put tree number 3.
Notice that each tree number is one more than the number of feet.
That means at 50 ft from the stat, you put tree number 51.
Answer: 51 trees
