Solve the problem.Paul has grades of 100 and 67 on his first two tests. What must he score on his third test in order to have an average of at least 80?
A. at most 82
B. at least 73
C. at least 84
D. at most 80
Answer: B
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Provide an appropriate response.Which pair(s) of events is (are) independent? A and B given the following: P(A) = 0.4, P(B) = 0.3, P(A and B) = 0.16 C and D given the following: P(C) = 0.4, P(D) = 0.3, P(C|D) = 0.4
A. Neither pair B. Both pairs C. C and D D. A and B
Raise the fraction to the indicated power.
4
A. 
B. 1
C. 266
D. 
Use percents, percent equations, and/or percent proportions to solve the application.Ms. Robert bought a house five years ago for $220,000. Today it is valued at $210,000. Find the percent decrease in value of the house.
A. 4.8% B. 95.5% C. 2,100% D. 4.5%
Perform the indicated operation or operations. Write the answer in simplest form. If the problem contains mixednumbers and the answer is an improper fraction, express the answer as a mixed number.
+ 
A. 
B. 
C. 
D. 