Help I don’t get this 2. A number is four times larger than the square of half the number.

3. Steven has some money. If he spends $9.00, then he will have of the amount he started with.

The sum of a number squared and three less than twice the number is 129.

5. Miriam read a book with an unknown number of pages. The first week, she read five less than of the pages. The
second week, she read 171 more pages and finished the book. Write an equation that represents the total number
of pages in the book