Answer:
4
Step-by-step explanation:
6+9=15
y+9=x
x=30
y+9=30
y=21
Answer:
B Survey a random sample of eighth-grade students
Step-by-step explanation:
In order to reach the best conclusion without biased data, the best sampling method would be B because not only does it survey 8th graders, but it also surveys a random group, ensuring that not all of the students are potentially excelling in and/or having trouble with homework.
Answer:
<h2>z = 27°</h2>
Because that angle is 30°.
it's nearest value is 27.
