Add or subtract as indicated. Simplify the result, if possible.
- 
A. - 
B. - 
C. 
D. 
Answer: D
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Find the indicated probability. Round your answer to 6 decimal places when necessary.In one town, 64% of adults have health insurance. What is the probability that 8 adults selected at random from the town all have health insurance?
A. 0.028147 B. 5.12 C. 0.64 D. 0.125
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(x10y5)1/5
A. x2 B. x10y C. x2y D. x2|y|
Determine the number of ways a computer can randomly generate two distinct integers whose sum is 20 from 1 through 25 in increasing order. ?
A. 7 B. 5 C. 11 D. 13 E. 9
Use Euler circles to check the validity of the argument. ? All lions are fierce. Some lions do not drink coffee. Therefore, some creatures that drink coffee are not fierce. ? The argument is __________. ?
A. not valid B. valid