Rewrite the sum using sigma notation.9 + 27 + 81 + 243 + 729
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the probability.A coach will choose 6 basketball players from a pool of 9 players to join his team. If the players are chosen at random, what is the probability that the 6 tallest players are chosen? Assume that all players are a different height.
A. 
B. 
C. 
D. 
Mathematics
Use a commutative property to complete the statement. Do not simplify.d + (-10) = 
A. 10 + d B. -10 + d C. -10d D. -d + 10
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.84x = 2.4
A. {0.08} B. {1.68} C. {0.11} D. {1.60}
Mathematics
Determine whether the equation in one variable is linear.38.7x = 3.1
A. linear B. not linear
Mathematics