Answer:
13
Step-by-step explanation:
Given:
- Square stickers that were 3/4 in long
- The spine is 10 and 1/2 in long
If she laid the stickers side by side without gaps or overlaps so the number of sticker to cover the length of the spine:

10 :
≈13
She needs 13 stickers cover the length of the spine
Answer:
a and e
Step-by-step explanation:
Answer:
39cm²
Step-by-step explanation:
6*5=30
6*3=18
18/2=9
30+9=39cm²
I'm assuming the grid is 1*1cm²
Answer:
x=−2−√5 or x=−2+√5
Step-by-step explanation:
-5x2 - 20x + 35 = 30
Answer = x=−2−√5 or x=−2+√5