Answer:
The cost of hardbook is $9 and cost of paperback is $5.
Step-by-step explanation:
Let x be the price for hardback book and y be the price for paperback book.
Mr. Yamamoto purchased 42 new hardcover books and 64 new paperback books, which cost a total of $698.
We can write the equation as:

He also purchased 42 new hardcover books and 58 new paperback books, which cost a total of $668.
We can write the equation as:

We have to use the elimination method to solve the two equations.
We eliminate x by subtracting the two equations.

Thus, the cost of hardbook is $9 and cost of paperback is $5.
9514 1404 393
Answer:
0 ft
Step-by-step explanation:
The line hangs down 15 feet from the top of each pole, so the distance between them must be zero if the total line length is 30 feet.
Answer:
A) 
Step-by-step explanation:
![f(n) = \sqrt[3]{n} -2](https://tex.z-dn.net/?f=f%28n%29%20%3D%20%5Csqrt%5B3%5D%7Bn%7D%20-2)
![y = \sqrt[3]{n} -2](https://tex.z-dn.net/?f=y%20%3D%20%5Csqrt%5B3%5D%7Bn%7D%20-2)





Hope this helps!