Answer:
D
Step-by-step explanation:
A,B,and C can not solve. because they have wrong answers.
Answer:
You would use miles when you are measuring long distances.
Answer:
y - 3y^2 + 4y^2 - 12y
y^2 - 11y
Step-by-step explanation:
Answer:
-2x + 1
Step-by-step explanation:
3 + 7x - (2 + 9x)
Distribute the negative:
3 + 7x - 2 - 9x
Combine like terms:
-2x + 1
Answer:
The size of the sample is 23 scientists.
