Write an algebraic expression for the quantity. Let x represent the unknown value.Half of a number.
A. 
B. 
+ x
C. x - 
D. 
- x
Answer: A
Mathematics
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Simplify.(x - x2 + 5) + (3 - 5x2 + x3)
A. x3 - 6x2 + x + 8 B. x3 + 6x2 + x + 8 C. x3 - 6x2 + 8x D. x3 - 4x2 + x - 8
Mathematics
Simplify the expression.
÷ 
- 
A. 
B. 
C. 
D. 
Mathematics
Divide. If a quotient goes beyond the hundredths place, round to the nearest hundredth.81 ÷ .09
A. .9 B. 90 C. 9 D. 900
Mathematics
Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.(64h20k22)3/2
A. 64k30h33 B. 512k30h30 C. 512h30k33 D. 512k30h33
Mathematics