Answer:
The first one is a line because a line extends infinitely in both directions which the arrows indicate.
The second one is a plane since it is a 2-dimensional shape.
The last one depicts 2 rays because rays have one endpoint, but extend infinitely in the other direction.
The mean is the average of a set of numbers, to find the mean, add all the numbers, then divide by the amount of numbers.
Answer: d) 0.31
Step-by-step explanation:
Given : In a health club, research shows that on average, patrons spend an average of 42.5 minutes on the treadmill, with a standard deviation of 5.4 minutes.
i.e.
and 
It is assumed that this is a normally distributed variable.
Let x denotes the time spend by a person on treadmill.
Then, the probability that randomly selected individual would spent between 30 and 40 minutes on the treadmill.

Hence, the required probability = 0.31
Thus , the correct answer = d) 0.31
Answer:
The answer is y is less than or equal too -2x + 3
Step-by-step explanation:
Got it write on edge2020.
Answer:
true
Step-by-step explanation: