Solve the application by setting up a proportion. Write a sentence answering the question.It is determined that 25% of the student body of Piper School attended an 
assembly. If 138 students attended the assembly, how many students are enrolled at the school?
A. There are 549 students enrolled at the school.
B. There are 552 students enrolled at the school.
C. There are 564 students enrolled at the school.
D. There are 556 students enrolled at the school.
Answer: B
Mathematics
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Factor by grouping.15x2 - 25x - 6x + 10
A. (15x - 2)(x - 5) B. (15x + 2)(x + 5) C. (5x - 2)(3x - 5) D. (5x + 2)(3x + 5)
Mathematics
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 1
B. 
C. 
D. cannot be simplified
Mathematics
Solve.x + 12.8 = 38.3
A. 25 B. 26.5 C. 25.5 D. 29.5
Mathematics
Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy each inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics