You don't have a picture here , but try to see if any ray are maybe parralell .
Hope this helps!
This factors to 64 - 4i^2
64 + 4
68 is the answer
They can buy 6 workbooks with $90. To find the unit rate we simply divide the cost ($60) by the number of books (4). That gives us $15, the cost of 1 workbook. So now to find out how many workbooks can be purchased with $90, we divide 90 by 15. That’s how I got 6 workbooks. Hope this helps.
5. Line e and line c
6. Line a and line d
