Answer:
c
Step-by-step explanation:
Let's simplify step-by-step.
3e−6e+3e−4e
=3e+−6e+3e+−4e
Combine Like Terms:
=(3e+−6e+3e+−4e)
=−4e
You are welcome
0.85
total samples cases = 20
chances that are even or odd prime are 17 chances
2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20
probability = 17/20
= 0.85