K-10=-7
K=10-7 Add 7 for both side.
k=3
Answer B
Step-by-step explanation:
I took the test and got it right
Answer:
1988 years ago.
Historians have never included a year zero, and it isn't common practice to include it.
Hope this helps,
Azumayay
Answer:<em> In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3.</em>
<em />
Step-by-step explanation: