Root of 49
Solutions are 7 and -7
We know that 7 is the square root of 49.
A negative number multiplied by itself gives positive
So -7 is also a square root of 49
Answer:
13 textbook can buy.
Step-by-step explanation:
13 textbook can buy.
For any equation,

assume solution of a form, 
Which leads to,

Simplify to,

Then find solutions,

For non repeated real root y, we have a form of,

Following up,
For two non repeated complex roots
where,

and,
the general solution has a form of,

Or in this case,

Now we just refine and get,

Hope this helps.
r3t40
Sherman’s rate would be 17 1/4 miles per hour
Less Than 282
Step-by-step explanation:
There doesnt seen to be a straight up answer for this...