Simplify the expression. Assume that all variables are positive when they appear.
A. 5
- 7
B. 6
+ 7
C. 5
- 3
D. 4
- 3
Answer: D
Mathematics
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Solve.Suppose you are designing a cardboard box that must have a volume of 42 cubic feet. The cost of the cardboard is $9 per square foot. How much will the material for each box cost?
A. $652.47 B. $869.96 C. $434.98 D. $326.23
Mathematics
Provide an appropriate response.Evaluate the following expression: 
- 
2 + 
A. - 
B. 
C. - 
D. 
Mathematics
Factor when possible. If the polynomial is prime, say so.a2 - 6ab - 16b2
A. (a - 2b)(a + 8b) B. (a + 2b)(a - 8b) C. (a - 2b)(a + b) D. prime
Mathematics
If ABDE is a square with side length 6 m, find the area of the shaded region.
What will be an ideal response?
Mathematics