Correct answer choice is :
<h2>A) Directly changed by the experimenter</h2><h2 /><h2>Explanation:</h2><h2 />
In mathematical modeling, analytical modeling and experimental sciences, the values of dependent variables depend on the values of independent variables. The dependent variables describe the output or outcome whose change is being examined. An independent variable seldom named an experimental or predictor variable, is a variable that is being formed in an experiment in order to inspect the impact on a dependent variable, sometimes described as an outcome variable.
Answer:
Step-by-step explanation:
Answer:
B = 1320

Step-by-step explanation:
Let A = number of students at Branch A
Let B = number of students at Branch B
If the number of students taking classes at Branch A is 1/4 more than Branch B, then:


If Branch A has 1,650 students, then substitute A = 1650 and solve for B:





Answer:
$22.50
Step-by-step explanation:
15% of 150=22.5
Answer:
There are no solutions.
Step-by-step explanation:
If there is 74 and 54 but with the same 15x: there is no solution. Even with negative.