Answer:
x ≤ - 27
Step-by-step explanation:
Given
≥ 3
Multiply both sides by - 9, reversing the symbol as a result of multiplying by a negative quantity.
x ≤ - 27
Answer: 
Step-by-step explanation:
Given

Apply cross-multiplication

The value of k is 
Answer:
x=0
y=1.5
Step-by-step explanation:
Answer:
-60.75
Step-by-step explanation:
-12 / 8 = -3/2
18 / -12 = -3/2
-27 / 18 = -3/2
This is a geometric sequence with a common ratio of -3/2.
an = 8 (-3/2)^(n-1)
The sixth term is:
a₆ = 8 (-3/2)^(6-1)
a₆ = 8 (-3/2)^5
a₆ = -60.75