Answer:
Irrational.
Step-by-step explanation:
π, or pi, is an irrational number. 3 times π would still be irrational, as its decimal never ends.
Answer = 2hrs
Explanation is 17(2) = 34
First try to simplify your problems
if they all ready are it should be easy
1/2,5/8,3/4
there easy dont let big number bully your brain
Answer: They need to drive 154 miles before they stop for the night.
Step-by-step explanation:
Given: Total distance for trip = 440 miles
Halfway distance = 
Let x be the distance they need to drive to reach halfway from the current position.
Since, they already drove 66 miles, so
x+66 = 220
⇒ x = 220-66
⇒ x = 154 miles
Hence, they need to drive 154 miles before they stop for the night.