Answer:
131.7%
Step-by-step explanation:
I used <em>https://www.omnicalculator.com/math/percentage-change</em>
Answer:
-5; -40; -640
Step-by-step explanation:
Answer:
None, the sum of those angles does not equal 180 degrees
Answer:
x = -1/7
Step-by-step explanation:
Solve for x
9-17x-5-4x=7
Combine like terms
-21x +4 = 7
Subtract 4 from each side
-21x-4+4 = 7-4
-21x = 3
Divide each side by -21
-21x/-21 = 3/-21
x = -1/7
Check
9 - 17(-1/7) -5 -4(-1/7) =7
9 + 17/7 -5 + 4/7 =7
4 +21/7 = 7
4+3 = 7
7=7
54 or it 180 i got 54 by adding 30 and 24in and got 180 by multiplying