Answer:
Step-by-step explanation:
line RPN = 180 = 4y - 10 + 90 + y
180 - 90 + 10= 5y
100 = 5y
y = 100/5
y = 20
46
Answer: try MATHPORTAL.COM
B) one real
A zero means the function on the line. Ex: the function of this line is 2.
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