Find all real-number square roots of the given number.225
A. ±1
B. -15
C. 15
D. ±15
Answer: D
Mathematics
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Solve the equation for all values 0 ? x ? 2?.csc 3x = 0
A. x = 
, 
B. x = 
, 
, 
, 
C. No solution
D. x = 0, 
, ?, 
Mathematics
Find the absolute value of the complex number.-2i
A. 4 B. 2i C. 2 D. -2
Mathematics
Plot the point.(3, -4)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A surveyor standing 50 meters from the base of a building measures the angle to the top of the building and finds it to be 37°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower?
A. 5.83 meters B. 8.82 meters C. 15.94 meters D. 6.48 meters
Mathematics