Answer:
7x^2 + 7
Step-by-step explanation:
So you collect the "like-terms". 3x^2 is not the same as 7, however, 4x^2 has the same term as 3x^2, so you add those together and then join the 7 in the expression.
Hope that explanation makes sense
Answer:

Step-by-step explanation:

Answer: False
Step-by-step explanation:
Two negatives equals a positive
1/2 = 0.5
3/5 = 0.6
The answer: 0.46, 0.5 (1/2), 0.6 (3/5), 0.6001.
Answer:
Definitely start with outlining one essay, then doing all of your steps, although don't do much re-writing since there may not be enough time. only focus on one at a time though. as for the questions, since it says pre-essay it wants that completed first but unless you have to do it first, i would do it last since the essays are more important.