Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Determine the value of x
x represents the height of the triangle.
And the area of a triangle is calculated as:

Where



The expression becomes



Divide through by 2


Answer:
work is shown and pictured
This problem describes two points in a route of 4 hours. He went through 68 miles after the first two hours, and 132 miles after 4 hours of driving. We need to calculate the average rate of change.
The average rate of change is the division between the total distance and the time it took to travel that distance, so we have:

The average rate of change is equal to 33 miles per hour.
Answer: # 2 hope this helps
Step-by-step explanation:
Answer:
1530
Step-by-step explanation: