No.
Because the angles would equal 170. Every triangle MUST have the interior angles of 180 degrees.
280=.7x
.7 because 100%-30% is 70%
Solve
280/.7=x
400=x
$400 original cost
Answer: (a) x = -1
Step-by-step explanation:
<u>Given</u>
x - 8 = - 9
<u>Add 8 on both sides to isolate x</u>
x - 8 + 8 = - 9 + 8

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Answer:
10000
Step-by-step explanation:
LOL its ok :)