Solve the problem.It is determined that 75% of the student body of Piper School attended an 
assembly. If 135 students attended the assembly, how many students are enrolled at the school?
A. 192
B. 177
C. 184
D. 180
Answer: D
Mathematics
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Answer the question.Which of the following statements is true concerning the graph of f(t) = cos t?
A. The graph is symmetric about the y-axis. B. The graph contains no symmetry. C. The graph is symmetric about the x-axis. D. The graph is symmetric about the origin.
Mathematics
Find the whole.126 factories is 33% of what number of factories?
A. 3820 factories B. 38,200 factories C. 3 factories D. 382 factories
Mathematics
Divide.
A. -14 B. -140 C. 0 D. Undefined
Mathematics
Solve the polynomial equation by factoring.2x3 + 4x2 - 2x - 4 = 0
A. -1, 1, -2 B. -1, -2 C. 1, -2 D. 1, -1, 2
Mathematics