2:1 means its by a factor of 1/2. Meaning you just use the original number and divide by 2. The answer is B
Answer:
Parallel line: - 1/2
Perpendicular line: 2
Step-by-step explanation:
Explanatory variable, or the independent variable. The two are interchangeable, but explanatory is more likely to be used in statistics, and independent variable is used practically everywhere else.
Answer:

Step-by-step explanation:
To start with;
Represent the budget of education by x
Represent the budget of defense by y
From the question, we understand that:
y exceeds x by $622.7 billion
Mathematically. this can be represented as:

<em>Hence, the defense budget is x + $622.7 billion</em>