Answer:
12
Step-by-step explanation:
use Pythagorean theorem
37^2 = 35^2 + x^2
x= ±
x1 = 12
x2= -12 but it is illogical as length cannot be negative
answer: x = 12
Answer:b=4
Step-by-step explanation:
6/24 would be equal to 1/4
It's a geometric sequence.

It's the sum for term 4 through term 15.