Explanation:
SARS, Ebola, swine flu, rabies
Answer:
Answer: The correct option is, It is a line joining the points whose x and y coordinates add up to 4.Step-by-step explanation:The given equation
Explanation:
Since x=4 is a vertical line, there is no y-intercept and the slope is undefined.
Answer:
B. the variable that is changed and being tested