Answer:
See below
Step-by-step explanation:
3x < 11.75
11.75 / 3 = 3.92
x < 3.92
The result of the multiplication in scientific notation is given by:

<h3>What is scientific notation?</h3>
A number in scientific notation is given by:

With the base being
.
When we multiply two numbers in scientific notation, we multiply the bases and add the exponents.
For this problem, the numbers are given by:

The result of the multiplication is given by:

The result of the multiplication in scientific notation is given by:

More can be learned about scientific notation at brainly.com/question/16394306
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Answer:
<h2>x = -0.5</h2>
Step-by-step explanation:

The area of the shape is 28 square meters
<h3>Area of composite shapes</h3>
The given shape is a composite shape that is made up of a square and a rectangle.
The area of the shape is expressed as:
Area = area of square + area of rectangle
Substitute the given dimension
area of the shape = (2*2) + (6*4)
area of the shape = 4. + 24
area of the shape. = 28 square meters
Hence the area of the shape is 28 square meters
Learn more on area of rectangle here: brainly.com/question/2607596
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So you would need to add:
500$ + 80$ + 175$ = 755$
Since John paid 900$ then you would subtract how much he is buying it for from how much Davis spent to fix it
900$ - 755$ = 145$ (on profit Davis earned)