Answer: y=2x+1
Step-by-step explanation:
The slope of the line is 
Using the point (1,3) to substitute into point-slope form,

Answer:
x = 7
Step-by-step explanation:
Assuming the quadrilateral is a parallelogram, then the diagonals bisect each other.
7x - 8 = 41
7x = 49
x = 7
The 11th term would be 39,366.
The rule for this sequence is 3n (n times 3). Simplying multiplying by 3 until you get to the 11th term (54 * 3 * 3 * 3 * 3 * 3 * 3), would give you this answer.
I hope this helps!!
The answer to your questions is: 4, 2