Solve the problem.If two cards are drawn without replacement from a deck, find the probability that the second card is a spade, given that the first card was a spade.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Give an appropriate answer.Let
f(x) = 243. Find
.
A. 243 B. 8 C. 5 D. 3
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. x17/3
D. x13/3
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x2 + 1, g(x) = 9x + 5Find (fg)(x).
A. 9x3 + 5x2 + 9x + 5 B. 9x3 + 5 C. 9x3 + 9x2 + 5x + 5 D. 9x2 + 9x + 5
Mathematics
Find the effective rate corresponding to the given nominal rate. Round to the nearest hundredth.7% compounded semiannually
A. 7.19% B. 7.00% C. 7.12% D. 7.23%
Mathematics