Solve the problem.If an object has a 60° clockwise rotation as one of its symmetries, then it must also have as a symmetry
A. a 90° clockwise rotation.
B. a reflection.
C. a translation.
D. a 180° rotation.
E. none of these
Answer: D
Mathematics
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Reduce the fraction.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.5-2
A. 25
B. 
C. -25
D. 
Mathematics
Find the function value.Find f(-8) when f(x) = 3 - 6x2.
A. 51 B. 99 C. -381 D. 387
Mathematics
Solve the problem.An experiment in a wind tunnel generates cyclic waves. The following data is collected for 60 seconds:
Let V represent the wind speed (velocity) in feet per second and let t represent the time in seconds. Write a sine equation that describes the wave.
A. V = 70 sin(60t - 30) + 24
B. V = 46 sin (60t - 30) + 23
C. V = 23 sin 
+ 47
D. V = 70 sin 
+ 24
Mathematics