Answer:
D.the product is negative
for example
2×-1
=-2
Answer:
![Total\ cost=7.95b+4.95m](https://tex.z-dn.net/?f=Total%5C%20cost%3D7.95b%2B4.95m)
Step-by-step explanation:
Paperback Books:
Number of books![=b](https://tex.z-dn.net/?f=%3Db)
Cost of 1 book![=\$7.95](https://tex.z-dn.net/?f=%3D%5C%247.95)
![Cost\ of\ all\ paperback\ books=cost\ of\ 1\ book\times number\ of\ books\\\\Cost\ of\ all\ paperback\ book=7.95\times b=7.95b](https://tex.z-dn.net/?f=Cost%5C%20of%5C%20all%5C%20paperback%5C%20books%3Dcost%5C%20of%5C%201%5C%20book%5Ctimes%20number%5C%20of%5C%20books%5C%5C%5C%5CCost%5C%20of%5C%20all%5C%20paperback%5C%20book%3D7.95%5Ctimes%20b%3D7.95b)
Magazines:
Number of magazines![=m](https://tex.z-dn.net/?f=%3Dm)
Cost of 1 magazine=![\$4.95](https://tex.z-dn.net/?f=%5C%244.95)
![Cost\ of\ all\ magazine=cost\ of\ 1\ magazine\times number\ of\ magazine\\\\Cost\ of\ all\ magazines=4.95\times m=4.95m](https://tex.z-dn.net/?f=Cost%5C%20of%5C%20all%5C%20magazine%3Dcost%5C%20of%5C%201%5C%20magazine%5Ctimes%20number%5C%20of%5C%20magazine%5C%5C%5C%5CCost%5C%20of%5C%20all%5C%20magazines%3D4.95%5Ctimes%20m%3D4.95m)
![Total\ Cost=Cost\ of\ paperback\ books+Cost\ of\ magazine\\Total\ Cost=7.95b+4.95m](https://tex.z-dn.net/?f=Total%5C%20Cost%3DCost%5C%20of%5C%20paperback%5C%20books%2BCost%5C%20of%5C%20magazine%5C%5CTotal%5C%20Cost%3D7.95b%2B4.95m)
-1-4x+7x=1x+4x
-1-4x+7x=1x+4x
-1+-4x+7x=x+4x
(-4x+7x)+(-1)=(x+4x)
3x+-1=5x
3x-1=5x
3x-1-5x=5x-5x
-2x-1=0
-2x-1+1=0+1
-2x=1
-2x/-2=1/2
x=-1/2
Answer:
0,9 maby this is awser
Step-by-step explanation:
plz tell me if this helps
Answer:
Aye I've you caught now ya wee bastаrd
Step-by-step explanation: