Answer:
7
Step-by-step explanation:
First you would square 3 which is nine. Then subrtact 2. The final answer is 7 .
They could look at the length of the book and the size of the font to estimate the length of a book.
Answer:
152 cm²
Step-by-step explanation:
The shaded area is calculated as
outer area - inner white area
= (12 × 18) - (8 × 8 )
= 216 - 64
= 152 cm²
Answer:
She will be able to fill 9 shelves with 1 book left over.
Let me know if you need more help! :)