Add or subtract as indicated.-17.8 + 31.17
A. 13.29
B. 13.37
C. 14.07
D. -13.37
Answer: B
Mathematics
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. - 
D. 
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 4 at 
minimum: -2 at 
B. Maximum: 4 at 
minimum: -5 at 
C. Maximum: 7 at 
minimum: -2 at 
D. Maximum: 7 at 
minimum: -5 at 
Mathematics
For the application, round the number as instructed.The Dow Jones Industrial Average increased by 6.377% last week. Express this change rounded to the nearest tenth.
A. 6.4% B. 6% C. 6.38% D. 6.3%
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics