Answer:
2x+6y-4z
Step-by-step explanation:
multiply the two by each term and coefficient inside of the parentheses
Answer: 180*(n-2)
You can write it as 180(n-2)
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For example, if n = 4, then 180(n-2) = 180*(4-2) = 360 meaning that the angles of a quadrilateral add to 360 degrees.
Answer:
x
2
+x−20
Step-by-step explanation:
Answer:

Step-by-step explanation:
The formula for the area of a triangle is 
The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.
Since there are 2 of each triangles, we get:

The answer that fits is the first option.
1 8/9 as an improper fraction is 17/9.
there is one whole number in there which equals 9/9 and add the 8/9 which will equal 17/9.