Simplify.0.8 - 0.3(y + 2) + 0.3 - 4
A. 0.3y - 2.3
B. y + 4.5
C. -0.3y - 3.5
D. -0.3y - 4.9
Answer: C
Mathematics
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Multiply, then simplify the product. Assume that all variables represent positive real numbers.(
+ 1)(
- 1)
A. 10 - 2
B. 10
C. 10 + 2
D. 12
Mathematics
Solve the problem.Determine a polynomial that represents the area of the figure. Leave ? in the answer.
A. 4x2 + 12x + 9 B. 4?x2 + 12?x + 9? C. 4x2 + 9 D. 4?x2 + 9?
Mathematics
Answer the question.A piece of rectangular sheet metal is 23 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. Let x represent the length of each of the parallel sides. What are the restrictions on x?
A. 0 < x < 11.5 B. 0 < x < 4.8 C. 0 < x < 23 D. 0 < x < 7.7
Mathematics
Perform the indicated operations.
? 
÷ 
A. 1
B. 
C. 
D. 
Mathematics