Answer:
7
Step-by-step explanation:
98
Answer:
<h2><em><u>9</u></em></h2>
Step-by-step explanation :



= <em><u>9(Ans)</u></em>
Answer:
-1/2=x
Step-by-step explanation:
-9 + x = 5x - 7
-x -x
-9=4x-7
+7 +7
-2=4x
-2/4 =4x/4
-1/2=x
Answer:
E
Step-by-step explanation:
It has only two parallel sides
Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.
Step-by-step explanation:


=0.049
0.77±0.049< 0.819, 0.721