Solve.A cube has a surface area of 54 square feet. Find the length of a side.
A. 3 ft
B. 18 ft
C. 9 ft
D. 4 ft
Answer: A
Mathematics
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If a< b, then a - c > b - c.
Answer the following statement true (T) or false (F)
Mathematics
Divide.63 ÷ 9
A. 54 B. -54 C. -7 D. 7
Mathematics
Find all complex solutions for the equation.2x-2 - 5x-1 - 12 = 0
A. 
B. 
C. 
D. 
Mathematics
Some values of a function and its 3-unit moving average are given. Supply the missing information: x 1 2 3 4 5 6 7 r( x ) 2 3 ? 14 ? 4 20 average undefined undefined 5 ? 11 ? ? ?
A. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 9 | 11 |
B. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 9 | 11 |
C. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 12 | 14 |
Mathematics