Answer:
I see your profile everywhere, and the answer is Right scalene Pythagorean triangle.
Step-by-step explanation:
As an equation, we have:
69+42=5+(146-x)
You just have to simplify:
111=5+(146-x)
106=146-x
-40=-x
40=x
Your unknown number is 40
Answer:
The driving time at 54 miles per hour is 37.04 hours.
Step-by-step explanation:
ANSWER
See attachment
EXPLANATION
The given inequality is

This implies that,

Multiply both sides of the second inequality by -1 and reverse the inequality sign.

The graphical solution to this inequality is shown in the attachment.