A closed dot mean "greater than or equal to" or "less than or equal to"
An open dot means "less than" or "greater than"
In this case, an open dot would mean
X>-2
Answer:
X < 12
Step-by-step explanation:
The average speed is 104 kilometer per hour
<em><u>Solution:</u></em>
Given that,
A car drives 494 km in 4 hours 45 minutes
To find: Average speed in kilometers per hour
<em><u>The average speed is given by formula:</u></em>

From given,
Distance = 494 km
Time = 4 hours 45 minutes
We know that,
1 hour = 60 minutes
Therefore,

Thus,
time = 4 hours 45 minutes = 4 hour + 0.75 hour = 4.75 hour
<em><u>Thus average speed is:</u></em>

Thus average speed is 104 kilometer per hour
Jenny is eight years older than twice her cousin Sue’s age. The sum of their ages is less than 32. What is the greatest age that Sue could be?a: 7
We have an initial value of $43 and every hour the price of the reservation increases $8.70, then, the function that determinates the price for the meeting room is

The history club have a limit value that is $77.80, then, to find the amount of hours they can spend at the meeting room we just need to solve the following inequality:

Solving for t:

The maximum amount of hours they can spend in the meeting room is 4 hours.