Solve the problem. Refer to the table if necessary.
Susan Smith bought 60 shares of Allied Steel at 
per share and 143 shares of Household Bank at 
per share. Find the total amount that she paid, ignoring broker's commissions.
A. $8,973.65
B. $7,629.45
C. $7,965.50
D. $7,797.48
Answer: C
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For the pair of functions, find the indicated domain.f(x) = x2 - 49, g(x) = 2x + 3Find the domain of g ? f.
A. 
? 
B. [7, ?)
C. (-7, 7)
D. (-?, ?)
Use Bayes' rule to find the indicated probability.An water well is to be drilled in the desert where the soil is either rock, clay or sand. The probability of rock P(R) = 0.53. The clay probability is P(C) = 0.21. The sand probability is P(S) = 0.26. It if it rock, a geological test gives a positive result with 35% accuracy. If it is clay, this test gives a positive result with 48% accuracy. The test gives a 75% accuracy for sand. Given the test is positive, what is the probability that soil is rock, P(rock | positive)?
A. P(rock | positive) = 0.405 B. P(rock | positive) = 0.385 C. P(rock | positive) = 0.53 D. P(rock | positive) = 0.209
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Solve the equation.
= 
A. 
B. 
C. 
D. 