Add and simplify.
+ 1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the improper fraction as a mixed number or an integer.
A. 13
B. 12
C. 
D. 11
Mathematics
Determine whether {v1, v2, v3} is a basis for ?3.v1 = 
, v2 = 
, v3 = 
A. Yes B. No
Mathematics
Find the z-score, to the nearest hundredth, that has 0.809 square unit of the standard normal distribution to the right of z.
a. 0.87 b. –0.87 c. 0.5 d. 0 e. –0.5
Mathematics
Solve the problem.In Country X, the average hourly wage in dollars from 1945 to 1995 can be modeled by f(x) = 
Use f to estimate the average hourly wages in 1950, 1970, and 1990.
A. $0.74, $2.18, $6.64 B. $0.74, $3.02, $6.64 C. $3.38, $0.38, $6.64
Mathematics