Answer:
D. 
Step-by-step explanation:
A trinomial expression is a polynomial expression with three terms.
The term with the highest power of variable is called the leading term and the co-efficient of this term is called the leading co-efficient.
The alone number without any variable in the expression is called the constant.
Example of a trinomial:

Leading co-efficient = 5
Constant = 4
A trinomial with a leading coefficient of 3 and a constant term of -5 from the given choices is:
D. 
Answer:yes
Step-by-step explanation:
If an event has a probability P of happening, then there is a probability of (1-P) of the event not happening.
In this case the probability of the event is p=20/69.
Then, the probability of the event not happening is:

Answer: the probability of the event not happening is 49/69.
This count is a discrete random variable (option A).
<h3>What is a
discrete random variable?</h3>
A discrete random variable is a variable that contains integers that can only be a limited number of possible values. A discrete random variable is can contain only a finite set of numbers .
An example of discrete random variable is the number of students in the first period class. It is impossible for the number of students in the class to go on indefinitely.
Discrete random variable has the following properties:
- It is finite
- It is numeric
- It is countable
- It contains non-negative integers.
A continous random variable is a variable that has an infinite number.
To learn more about discrete data, please check: brainly.com/question/22916429
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3+3+4+3 im sure this is the answer just double chek