Combine like terms.-8x9y10 + 4x9y10 + 3x9y10 + 9x9y10 - 4x9y10
A. 20x9y10
B. 12x9y10
C. Can't be simplified
D. 4x9y10
Answer: D
Mathematics
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Graph the horizontal or vertical line.y = 5
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Mathematics
Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000 B. $30,000-$35,000 C. $50,000-$55,000
Mathematics
Solve the problem.The students at ABC School are selling tickets for their carnival. Each ticket sells for 50¢. The school wants to raise $7500 in ticket sales. How many tickets must the school sell to reach its goal of $7500?
A. 15,000 B. 150,000 C. 3750 D. 1500
Mathematics