Answer:

Step-by-step explanation:
Using standard form (Ax+By=C) equals 
2x-3b=c

now simplify 
Answer:
Slope is 1/2
Step-by-step explanation:
Answer:
No, because the number of trials is not fixed.
Step-by-step explanation:
a. pe. x
Answer:
x = 4
Step-by-step explanation:
Answer:
A Variable
Step-by-step explanation:
Variables are used to mark an unknown value. Common math problems ask you to solve for it.
For example in 5x+23=45, 'x' is the variable.
A constant is a number without a variable.
<em>Brainilest Appreciated. </em>