Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing substitute for r in the simple interest formula? I = p r t
0.007
0.07
0.7
7

first person to answer gets brainleist HURRY

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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