Answer:
1
Step-by-step explanation:
-8 +9 = 1
9 + -8 = 1
answer = 1
Answer:

Step-by-step explanation:
The formula for the nth term of a geometric sequence is

a₀ = 1, r = 3, and n = h
So,



Answer: C. 254
Step-by-step explanation: All engineers is the population so this is stats and the number that chose math no matter what kind of engineer is 254
Answer:
4√15
Step-by-step explanation:
The geometric mean of x and y is √(xy).
So here we have:
√(12*20)
= √240
= √(16*15)
= √16√15
= 4√15.