Answer:
3:5 is the answer of your question
1.69 is 1.3 to the second power
there are too many spelling incorrections for me to understand the question, sorry.
Answer:

Step-by-step explanation:
x - 5 - 3x + 1 = -45
-2x - 4 = -45
-2x = -45 + 4
-2x = -41
x = 41 ÷ 2
x = 41/2