Simplify the difference.(10x + 3) - (3x - 6)
A. 13x - 9
B. 7x - 9
C. 7x + 9
D. 13x + 9
Answer: C
Mathematics
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Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. 
D. - 
Mathematics
Use the given information to find the unknown length represented by the variable x.Triangle with a perimeter of 581 centimeters
A. 571 cm B. 186 cm C. 428 cm D. 242 cm
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.0.5
A. 
B. 
C. 
D. 
Mathematics
Find the surface area of the rectangular solid or cube.
A. 800 ft2 B. 600 ft2 C. 1000 ft2 D. 300 ft2
Mathematics