
The formula of the sum of the arithmetic sequence:

calculate:

substitute

Your answer is:
Answer:
No, these triangles cannot lie on the same line.
Step-by-step explanation:
Step-by-step explanation: For two triangles to lie on the same line they must have the same slope. slopes are negative because the triangles are leaning to the left.
Answer:
z= 0.375 or 3/8
Step-by-step explanation:
290
hopefully i could help ;)