Solve the problem.The weight of a substance is 2
g per cubic centimeter. What is the weight of 3
cubic centimeters of the substance?
A. 7
g
B. 6
g
C. 7
g
D. 6
g
Answer: C
Mathematics
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Translate to an equation and solve. $18 is 2% of what?
A. $90 B. $36 C. $9000 D. $900
Mathematics
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. tan ? = sec ? sin ?
A. No B. Yes
Mathematics
Fill in the blank with either =, <, or > to make the statement true.
? 
A. = B. > C. <
Mathematics
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Maximizez = 2x1 + 4x2subject to: 9x1 + 3x2 ? 203 x1 + x2 ? 16 2x1 + 6x2 ? 80 x1 ? 0, x2 ? 0
A.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
B.
| Minimize | w = 203y1 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |
C.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
D.
| Minimize | w = 203y11 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |
Mathematics