Answer:
0.4 or 2/5
Step-by-step explanation:
Dana surveyed 20 students in total and out of those 20 only 8 got an A
so:
now if you simplify it 
and if you simplify it again:
or 0.4 in decimal
Answer:
All of the above
Step-by-step explanation:
The question is asking you which equation you can use for you to find the value of the undefined variable, n.
In this case, all of the equations above are eligible to find the value of the variable n since regardless of the variable position, you will yet be able to find its value.
Answer:
a.) x + y - 13
Step-by-step explanation:
Trinomial = an expression with three terms
(tri- means three)
Answer choice a has three terms:
x, y, and -13
Therefore, it is the correct answer.
Trinomial - it has 3 terms
