Answer:
a=86
Step-by-step explanation:
180=(a-42)+(a-3)+(180-(a+41))
180=2a-45+139-a
180-139=a-45
41=a-45
b.2.3
f(x)= 2x^3 - 4x^2 - 3
see graph below
only x intercept is 2.287
the answer is D.
there is not enough information
57171813401
the answer is B