If I'm correct and the ^ stands for multiplication then the answer should be 5.
The picture is my work just ignore the fraction.
Yes
The rule to check if a triplet of numbers can represent the sides of a triangle is the following: the sum of the length of two sides must exceed the third one.
This happens for all possible couples in your case:



Answer:
I'm really going to say false im not sure, I just started learning this.
Step-by-step explanation:
Answer:
Option 2.
Step-by-step explanation:
The antifreeze claims to protect between -30 C and 130 C. The inequality should be this: 
You can replace C with the Fahrenheit formula: C=
So, the inequality becomes 
Step-by-step explanation:
I would go with a or b but one sec let me work it out