Answer:

Step-by-step explanation:
Combining like terms:


Answer: (C
Step-by-step explanation: To evaluate this, solve by raising 7 to the power of 3.
7 x 7 x 7
7 x 7 = 49 x 7 = 343
Therefore, the answer is C.
Answer:
D) $8.20
Step-by-step explanation:
82 x 0.1 = 8.2
The line segment shown in the figure is C. XZ. A line segment is a line that is bounded by 2 endpoints, hence the line is not infinite. As shown in the figure, only points X and Z are visibly connected. There are no visible lines connecting the other points together.
That's just too bad. I don't the answer. I'm just doing this to get points. Good luck.