Answer:
your answer will be 
Step-by-step explanation:
hope this helps have a nice day :)
Answer:
ionosphere
Step-by-step explanation:
In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere
According to the information given in the exercise, the following expression represents the area of the rectangular garden:

And the following expression represents the combined area of the walkway around the rectangular garden and the area of the garden:

You can identify that the word "combined" indicates that that expression was obtained by adding both areas.
Knowing the above, you can set up the following equation:

Where "A" is the area of the walkway around the rectangular garden.
Solving for "A", you get the following expression:

The answer is:
Answer:
b)
Step-by-step explanation:
4X1 + 3X2 less than or equal to 150