Answer:
12
Step-by-step explanation:
Answer:
X= -7
Step-by-step explanation:
y=3x +21
0=3x+21
-3x=21
X = -7
Answer:
B
Step-by-step explanation:
all you need to do is switch the x with 12
Answer:
g o o g l e states, "The PSAT/NMSQT stands for the National Merit Scholarship Qualifying Test, which students take as a sophomore or junior."
Step-by-step explanation: