150 + 20x, where x is the number of cellphones sold
Hey there,
20x ^ 2 = 256 + 128x
400x = 256 + 128x
400x - 128x = 256
272x = 256
x = 256 / 272
= <span>0.94117647058
=0.9
Hope this helps :))
<em>~Top♥</em>
</span>
Answer:
y-y1=m(x-x1)
Step-by-step explanation:
Answer:
Scenario A: Survey
Scenario B: Observational Studies
Scenario C: Experiment
Scenario D: Survey
If it not the answer you can correct me
