Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius 421 km. Determine an equation for the ellipse, where x and y are measured in km, if the distance of the satellite from the surface of the moon varies from 605 km to 238 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Solve the problems.If 8 sandwich rolls cost $2.08, how much will 23 rolls cost?
A. $16.64 B. $6.98 C. $18.64 D. $5.98
Mathematics
Divide the polynomials using polynomial long division.
A. x3 - 
x
B. x3 - 35x + 
C. x3 + 
x
D. x3 - 
x - 
Mathematics
Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find sec (? + ?).
A. - 
B. - 
C. 
D. - 
Mathematics
For problems 8-11 expand the expression. Use Pascal's Triangle to find the coefficients and use the binomial theorem to find the variables in each term.
A. 
B. 
C. 
D. 
E. None of the above
Mathematics