394 is the answer using addition
Answer:
7 students.
Step-by-step explanation:
10% of 70 is 7.
The answer is c. You double the number for finding radius
Break into 2 equatins to get x's:
2x-6<4 and 2x-6>-4
Solve for x in both:
2x-6<4
2x<10
x<5
2x-6>-4
2x>2
x>1
Graph both inequalities on the same number line:
<---0-----1-----2-----3-----4-----5-----6--->
