Express the sum using summation notation.8 + 
+ 
+ ... + 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the equation 
for z.
?
A. There is no solution.
B. ?
C. 
D. ?
Mathematics
Solve the problem. Round your answer to the nearest tenth of a percent, if necessary.3.8 is what percent of 21?
A. 0.2% B. 5.5% C. 552.6% D. 18.1%
Mathematics
Multiply or divide. Simplify, if possible. Assume all variables and radicands represent nonnegative real numbers.
A. 2
B. 
C. 5
D. 5
Mathematics
Solve the problem.The angle between the spokes of a wagon wheel is 22? 39' 18". Convert this angle to decimal degree format (to four decimal places).
A. 22.6550° B. 22.2488° C. 21.3450° D. 22.9500°
Mathematics