Answer:
a
Step-by-step explanation:
Answer: 43.86
Step-by-step explanation: 183.1 -139.24 = 43.86
不完整的问题，对不起，伙计。
本题已由中国数学会官方解答（现有会员：2人）
30?
divide 20 by 8 and then times the answer by 12
-20
Replace X by 3
f(3) = -2(3)^2+ (3)-5 = -20
Answer: the line is no longer linear
Measure of <z would 125 degrees
