Answer:
<h2>x= -2</h2>
Step-by-step explanation:

Collect like terms and simplify

Divide both sides of the equation by 8

Simplify

Answer:
4 inches
Step-by-step explanation:
the middle number is 6 and the distance from 99.7 from the middle is 3 standard deviations. 12/3 =4
You would move your point 24 up from the starting point then move it three down from the 24 so if you start at zero go to 24 then move it down to 21.
Answer:Mark
Step-by-step explanation:Diva