Solve the equation by making an appropriate substitution.2x1/2 - 3x1/4 - 20 = 0
A. 
B. {256}
C. {-4, -5}
D. 
Answer: B
Mathematics
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Use the graph to estimate any solutions to the given equation on the interval 
tan x = sin x
A. 
, 
, 
, 
B. None
C. ?
D. 0, ?
Mathematics
Divide.796 ÷ 20.0
A. 39.8 B. 398 C. 40.8 D. 3.98
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics