Answer:
1) biased sample
2) random sampling
Step-by-step explanation:
Since the results are based on feedback of students in only one class, it's not a good representative of the entire student body.
Also, since it's a math class there will be a bias.
Better method would be randomly selecting students from the entire school students list and take their feedback
Answer:
h(-3) = -28
Step-by-step explanation:
h(x) = -2x² + 3x - 1
h(-3) = -2(-3)² + 3(-3) - 1
h(-3) = -2(9) - 9 - 1
h(-3) = -18 - 9 - 1
h(-3) = -28
Answer:
adding all the areas on the surface: the areas of the base, top, and lateral surfaces (sides) of the object.
Step-by-step explanation: