Which statement explains why 49 is a perfect square? 49 can be multiplied by 49.
49 is equal to 7 plus 7
49 is between 36 and 64
49 is equal to 7 times 7
I need this one asap to..

49 is equal to 7 times 7

Step-by-step explanation:

49 can be multiplied by 49 does not explain why 49 is a perfect square.

49 is not equal to 7 plus 7.

49 is between 36 and 64 does not help in explaining why 49 is a perfect square.

49 is equal to 7 times 7 explains why 49 is a perfect square. A perfect square is an integer that is a square of an integer.

7² = 49

given the equation is 8+9z=-6, the first step would be to subtract the 8 from both sides:

8+9z-8=-6-8

since 8 minus 8 = 0, this would cancel out the 8. and since -6 minus 8 equals -14, the equation would look like this

9z = -14