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31 percent decrease  

Step-by-step explanation:

Because 72 - 50 = 22

22 is 30.55555% of 72

So basically its 31 percent

Hope this helps comment if I need to add anything! (:

i think it's either c or d

step-by-step explanation: the entire question is extremely odd. 04 obviously refers to the interest rate. honestly i will say the answer is c. because the (2 x 12) part would mean it's compounded semiannually. i'll say choose c.

(x, y)→(x − 8, y − 7)

step-by-step explanation:

enjoy!