Solution
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the formula for slope

STEP 2: Pick two points
STEP 3: Find the unit price per cup
Since 4 cups cost $5, one cup will cost

Therefore, the answer is $1.25
42 because x is equal to its corresponding side
Answer: 
Step-by-step explanation:
See attached image.
Answer:
2 is 10% of 20.
Step-by-step explanation:
2/20=10.