So this is our table:
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x-values | a b c d e f |
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y-values | g h i j k l |
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You can know that the values in the table are proportional if:

Hope that helps :)
Answer:
The discount is $20 off or 50% off.
Step-by-step explanation:
It is easy math.
When 36 is decreased by 75%, the result is 9.
75% of 36 is 27.
36 - 27 = 9
Answer:
using the formula A = (a+b)/2 x ht., and substituting numbers given, the answer would be 15 cm.
Step-by-step explanation:
Answer:
honestly this was the only thing i was ever good at in math.
its kinda fun cuz its like puzzle solving.