Calculate the work done by the force F along the path C.F = -9yi + 9xj + 2z8k; C: r(t) = cos ti + sin tj , 0 ? t ? 7
A. W = 63
B. W = 126
C. W = 0
D. W = 
Answer: A
Mathematics
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Perform the indicated division by synthetic division.(20x3 - 14x2 - 3x + 20) ÷ (5x - 1)
A. 4x2 - 2x - 1, R = 19 B. 4x2 - 2x - 1, R = 22 C. x2 - 1, R = -2 D. 4x2 - 2x - 1, R = 0
Mathematics
The data in the figure below represents the number of stars earned by 100 performers in a talent competition.
What is the mode of the number of stars earned by the performers?
A. 0 B. 2 C. 4 and 5 D. 3
Mathematics
Simplify.
+ 
- 
A. 
B. - 
C. 
D. - 
Mathematics
Find the weighted mean. Round to the nearest tenth.
A. 285.6 B. 321.3 C. 91.1 D. 247.3
Mathematics