Here is my answer, hope to help you
Answer: I’m pretty sure the second one (b)
Step-by-step explanation:
I believe x is 43.
3x+17+x-9=180 It is 180 because a straight line is 180 degrees
4x+8=180
-8 -8 subtraction property of equality
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4/4x=172/4 division property of equality
x=43 solution
Answer:
Quadrilaterals
Step-by-step explanation:
Answer:
20x
Step-by-step explanation:
4(2x+3)
4(5x)
4x5x
20x