Use an algebraic method to find the vertices of the system of linear inequalities.
A. 
B. 
C. 
D. 
E. none of these
Answer: B
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Solve the problem.A dual-beam search light is positioned to shine on a prison wall. The light is 1 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on 
After t seconds the distance (in feet) from the beam on the wall to the point P is given by the function 
When the light beam is to the right of P, the value of d is positive, and when the beam is to the left of P, the value of d is negative. Graph d over the interval 0 ? t ? 5. 
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A. 
B. 
C. 
D. 
Find the probability.One digit from the number 4,868,338 is written on each of seven cards. What is the probability of drawing a card that shows 4, 8, or 6?
A. 
B. 
C. 
D. 
Add.(r + 5s - 3) + (5r + s) + (s - 3)
A. 6r + 7s - 6 B. 5r + 5s - 6 C. 6r + 6s - 6 D. 4r + 7s - 6
Solve.Last year a small company paid its sales staff $81,800 in commissions. If the commission rate was 2%, what was last year's sales total for the company?
A. $40,900 B. $4,090,000 C. $1,636,000 D. $1636