Answer:
C. matching answer is correct I think
Answer:
D. decrease the corporate income tax.:
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
Answer:
Dogs can be very loyal and useful pets.
There was 10 children at the party. 3 of them was 5, 4 of them was 10, and 3 of them was 7. At the party there was cookies. Each age had a different amout of cookies the five year olds have 10 all together the 10 year olds had 11 cookies all together and the 7 year olds had 8 cookies all together. How much cookies did they eat in all??
I hope this helps and if it does not I will write you another one:)