Answer:
C. Biased, because she only asked students on honor roll.
Step-by-step explanation:
Since Mrs. Gilbert's goal was to find how many students that spent >4 hours and not how many students that earned Honor Roll that spent >4 hours, the data is biased. Choose C.
Answer:
20000+600+7
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
The central angle of a sector measures
The radius of the circle is
The area of the sector is given by
Insert the values
Answer:
multiply or simplify
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
Rewrite the equation as x^2-3x+9=0
find the determinant.
D = b^2-4ac = (-3)^2-4*1*9 <0
no solution