The first term is 0. The fourth is 1000. The eighth term is 10,000,000. All you have to do is plug the term you want to find into n and then solve.
Statements 1 and 4 are correct. Let me know if you need more of an explanation. :)
Answer:
Acute scalene triangle
Step-by-step explanation:
The triangle is acute because all of the angles are less than 90 degrees.
It is scalene because the 3 sides are all different lengths.
Answer: 8
Step-by-step explanation: 12 minus 4 equals 8