Answer:
y=30, x=10
Step-by-step explanation:

Answer: The sales tax rate is 3%.
Step-by-step explanation: $12.90 is 3% of $430.
ratio of vertical change between 2 points
Answer:
Y = 0.5x-1 is the formula
Change the mixed numbers into simple fractions:
-9/4-(-67/8)
Find the common denominator and subtract:

So your answer is H
Hope that helps