Choose the surface that the function describes.f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A Ferris wheel has a diameter of 400 feet and the bottom of the Ferris wheel is 13 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel, as illustrated. 
A. x2 + y2 = 40,000 B. x2 + (y - 200)2 = 160,000 C. x2 + (y - 200)2 = 40,000 D. x2 + (y - 213)2 = 40,000
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. - 
C. 
D. 
Mathematics
Graph the solution set of the system of inequalities.2x + 5y > 10 x - 3 ? 3y
A. 
B. 
C. 
D. 
Mathematics
Find the effective mortgage rate for a 30-year, $100,000 mortgage at 6% interest compounded monthly with 2 discount points that is expected to be kept for 5 years.
A. 6.55% B. 6.24% C. 6.48% D. 5.98%
Mathematics