Answer:
84
Step-by-step explanation:
30% * $280

= 84
So, the sale price is $84
Answer:
-49x - 18 is the final answer!
Answer:
22cm
Step-by-step explanation:
440÷20
Perimeter of a closed figure is the sum of length of its outline. The perimeter of the consider triangular pool is:
units.
<h3>How to calculate perimeter of a triangular figure?</h3>
Perimeter of a triangle = Sum of lengths of all its 3 sides.
For the given case, we have:
Length of first side(hypotenuse) =
units
Height =
units
Base is of length 
Thus, its perimeter is calculated as:
Perimeter of a triangle = Sum of lengths of all its 3 sides.
Perimeter =
units
Perimeter =
units
Thus,
The perimeter of the consider triangular pool is:
units.
Learn more about perimeter here:
brainly.com/question/10466285