Solve the problem.The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 28 months.
A. $78,792
B. $78,720
C. $78,850
D. $78,750
Answer: D
Mathematics
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Graph the curve whose parametric representation is given. x = 3 tan t, y = 5 sec t; 0 ? t ? 2? 
A. 
B. 
C. 
D. 
Mathematics
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.121x2 + 121y2 - 66x - 132y - 438 = 0
A. There are no intercepts. B. The two x-intercepts are x ? 2.19 and x ? -1.65, and the two y-intercepts are y ? 2.52 and y ? -1.43. C. The x-intercept is x ? 41.7, and the y-intercept is y ? 40.65. D. The two x-intercepts are x ? 4.12 and x ? -3.57, and the two y-intercepts are y ? 4.5 and y ? -3.41.
Mathematics
Simplify. Do not use negative exponents in your answer.x ? x-6
A. 
B. 
C. x5
D. x7
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics