Answer:7
Step-by-step explanation:
all you have to do is subtract 20-13
The question gives the relationship to be

We will interpolate to solve the question.
First Question: 147 mi

Cross multiplying,
Answer:
Cannot solve fir x because traingles are not similar
Step-by-step explanation:
11+8+12=15+10+x
31=25+x
X=31-25
X=6
answer: a. input, output
explanation: this is because the x values can not repeat in a function. if they do, they would not pass the vertical line test, and therefore it would not be a function. so, each input and output must be different values. :)