Answer:
20
Step-by-step explanation:
x - 9 = 11
+9 +9
x = 20
Answer:
si
Step-by-step explanation:
Answer:
the picture can't clean. so I can't solve the problem
Note that 60 minutes is 1 standard deviation away from the mean and from recalling the 68-95-99.7 rule, the area that will remain is (100 - 68) = 32%. However, we only want the leftmost portion of this area, so the answer is 32%/2 = 16%.
<span>Choose D.</span>
Answer:
$60
Step-by-step explanation:
40 text messages × .25 each = $10. Plus the $50 per month is $60.
