Solve the problem.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a planet has a perihelion of 378.7 million miles and a mean distance of 381 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Calculate the requested distance.The distance from the point S(-9, -2, -4) to the line x = 10 + 2t, y = -5 + 6t, 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A borrower uses an income tax refund to make a partial payment on a personal 
loan. Which rules or methods can be used to compute the new balance?
What will be an ideal response?
Mathematics
Find the optimum strategies for player A and player B in the game. 
A. A: 1: 1/5, 2: 4/5 B: 1: 4/5, 2: 1/5 B. A: 1: 2/5, 2: 3/5 B: 1: 1/5, 2: 4/5 C. A: 1: 1/2, 2: 1/2 B: 1: 1/2, 2: 1/2 D. A: 1: 3/5, 2: 2/5 B: 1: 2/5, 2: 3/5
Mathematics
Solve.The pitch of a roof is its slope. Find the pitch of the roof shown. 
A. 
B. 190
C. 
D. 
Mathematics