Answer:
14%
Step-by-step explanation:
A change from 50 to 57 represents a positive change (increase) of 14%
Percent change =
× 100%
× 100% = 14
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Answer:
9)x=135º
10)x=2 23º
11)x=2 122º
Step-by-step explanation:
15x-7=19x-15
-4x=-8
4x=8
x=2
54x+14=43x+36
11x=22
x=2