X would be your variable <span>A variable is a </span>quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x , y , and z are common generic symbols used for variables.
Witch means that X can not be more than -15 it has to be less or equal to.
The last one is correct because the line is not going up or down it’s every where so it’s the last one
Answer:
The unit rate is 100 calories per cup
and 300 calories in the three cups of cereal
Step-by-step explanation: