The answer is D.
"Keep", "factor", and "calculate" are all verbs in the list of things the new system allows teachers to do. The other sentences are inconsistent with their list of verbs/adjectives/nouns. Thus, option D is the only one that is grammatically correct.
I am not too good at explaining, so let me know if you are still confused.
Hope this helps! :)
Answer:
Mark: ¨I wish we could do more examples and less worksheets in class.¨
Sarah: "but I like the worksheets they are easy and easy to copy off.¨
Mark:¨ But Sarah, I dont feel like im learning anything in this class.¨
Sarah: ¨ what are you going to use math for anyways? Thats why we have fingers, duh.¨
Mark:*chuckles* yea I guess your right, but I just thought it would be good to know just in case you know?¨
Sarah: yea.
Mark: I will ask Mrs. Martinez for extra help.
Hows this?
Explanation:
C.) The woman who works at the desk
Answer:
Constructing a hypothesis, test with an experiment, do background research are all steps of a scientific method which includes prediction.
Hope this helps :D ;-))