f(4)= 4^2 - 1 = 15
g(f(4)) = g(15) = 2(15) = 30
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$42,500 because 45900 dividede by 1.08 is 42500
Answer: D
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
Each day Donna and Mary toss a coin to see who buys the other person coffee ($2.34 a cup). One tosses and the other calls the outcome. If the person who calls the outcome is correct, the other buys the coffee; otherwise the caller pays. Assume that an honest coin is used, that Mary tosses the coin, and that Donna calls the outcome.
180°=triangle
360°=quadrangle
180°*34+180=6300°