15: the red tiles are triangle, blue tiles are pentagons
Answer:
solution for n is 
Step-by-step explanation:
Given an equation containing one variable n.
The equation is as follows:

To solve for n we can subtract 3/4 from both the sides
The result is

Verify:
Substitute the answer in the given equation.

Both sides equal thus proving our correctness of answer.
Answer:
14
Step-by-step explanation:
i think it's 14. i hope i helped :)
Yes. It is a Geometric sequence!
Common ratio = a2/a1 = 12/6 = 2
In short, Your Answer would be Option A
Hope this helps!
Answer: 1/0
Step-by-step explanation: the reciprocal of a number is simply found by switching the place of the numerator and denominator. so the reciprocal of 0 or 0/1 is 1/0