Simplify the algebraic expression by collecting and combining like terms.-3b + 8b
A. -5b
B. 5b2
C. Cannot be simplified
D. 5b
Answer: D
Mathematics
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A. ?
B. 
C. 
D. 
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A. 420° B. -30° C. 30° D. 60°
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A. -3.1107 B. 4.8893 C. 4.0003 D. 0.8893
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A. {1.38, -1.37} B. {-0.73} C. {0.73} D. ?
Mathematics