Find an equation for the ellipse described.Center at (-4, 3); focus at (-8, 3); contains the point (-10, 3)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1


Answer: D

Mathematics

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The following table shows the population N of reindeer on an island t years after 1945.

 t 0 5 10 15 N 44 163 659 2636?
A: Explain in practical terms the meaning of .B: Use the average rate of change from  to  to estimate  at . Round your answer to two decimal places.C: Use your answer from part B to estimate the number of reindeer present in 1953. Round your answer to the nearest whole number.

What will be an ideal response?

Mathematics

Use the substitution method to solve the system.  x - 5y = 7-7x - 6y = -8

A. (-2, 0) B. (1, 0) C. (2, -1) D. No solution

Mathematics

Use the method of your choice to find all real solutions of the equation.(3t + 2)2 = 17

A.
B.
C. {-2 ± }
D.

Mathematics

Divide. Write the answer in lowest terms and as a whole or mixed number where possible.2 ÷ 

A.
B.
C. 1
D. 3

Mathematics