Answer:
See explanation
Step-by-step explanation:
Given the inequality 
A) Add -3 to both sides of inequality:

Divide by -7 (remember, dividing the inequality by negative number changes the sign of inequality):

B) Plot open circle at -6 on the number line and shade all values of x which go to the left from -6 (see attached diagram).
Answer:
x=10
Step-by-step explanation:
3x+8x=100+10
11x=110
x=110/11
x=10
Answer:
The minimum IQ score will be "126".
Step-by-step explanation:
The given values are:
Mean

Standard deviation

Now,
⇒ 
⇒ 
⇒ 
⇒ 


⇒ 
