Solve.A planet's orbit about the Sun can be described as an ellipse. Consider the Sun as the origin of a rectangular coordinate system. Suppose that the x-intercepts of the elliptical path of the planet are 
and that the y-intercepts are 
Write the equation of the elliptical path of the planet.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
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Find the greatest common factor of the numbers in the group.60, 90
A. 10 B. 30 C. 15 D. 6
Find the exact value of the expression or state that it does not exist.cos
A. 
B. 
C. 
D. 
Solve the problem.Find the perimeter of a triangle with sides measuring 2
, 2
, and 2
meters.
A. (8
+ 4
) m
B. (8
+ 4) m
C. (8 + 4
) m
D. 12
m
Solve.A basketball fieldhouse seats 15,000. Courtside seats sell for $10, endzone for $7, and balcony for $4. The total revenue from a sell-out is $84,000. If half the courtside and balcony seats and all the endzone seats are sold, the total revenue is $49,000. How many of each type are there?
A. 3200 courtside; 1800 endzone; 10,000 balcony B. 3000 courtside; 2000 endzone; 10,000 balcony C. 4000 courtside; 3000 endzone; 8000 balcony D. 3000 courtside; 3000 endzone; 8,000 balcony