Question 712420
1. Which number makes this a true number sentence? Show your work.
397 + m > 412
397 + m - 397 > 412 - 397
m > 15
that is, m has to be "greater than" 15.  Looking at the choice:
A. 14
B. 9
C. 16
D. 15
The ONLY one that is greater than 15 is is choice C
. 
2. Which number does NOT make this a true number sentence? Show your work.
480 - z < 459
480 - z - 480 < 459 - 480
-z < -21
z > 21
Looking at available choices:
A. 25
B. 42
C. 21
D. 22
The ONLY choice is D