It's really just knowing how to use fractions.
Say you have 8 jelly beans in a baggie. 5 are yellow and 3 are green.
What is the likelihood of pulling a green one out? Not likely.
What is the likelihood of pulling out a white one out? Impossible.
Are you getting it? Or do you need more help? :)
Answer:
None of the options are correct, the correct answers are: x = 0.967 and -2.067
Step-by-step explanation:

Comparing this equation with 
a = 1, b = 1.1, c = -2
Using the almighty formula for solving quadratic equation:

Answer:
5x+3y=8.50 and 3x+2y=5.25
Step-by-step explanation:
because i got it correct
Answer:
6 2/3
Step-by-step explanation: