Answer:
x = 30
Step-by-step explanation:
-2x + 10 +4x=70
-10 -10
-2x + 4x = 60
2x = 60
/2 /2
x = 30
Answer:
Step-by-step explanation:
Sample more families
sample families that have children who are not in seventh grade
sample families whose answer to the survey question is predetermined
Answer:
340.062
Step-by-step explanation:
Answer:
<h2>x = -1.5 or x = 4</h2>
Step-by-step explanation:
