Graph.5x2 + 25y2 - 225 = 0

A.

B.

C.

D.


Answer: C

Mathematics

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Solve the equation algebraically.18.6 + 4.2t = 8.1

A. -11.4 B. 47.7 C. -10.5 D. -2.5

Mathematics

Write a matrix equation equivalent to the system of equations. 7w + 4x - 2y - z = -7 4w - 10x + 6y - z = -4-6w - 5x - y - 4z = 10  w - 7x - 4y + 10z = 6

A.
  =  
B.
  =  
C.
  =  
D.
  =  

Mathematics

Solve.How many months are there in 26 years?

A. 312 months  B. 322 months  C. 48 months D. 38 months 

Mathematics

Find the specified minor and cofactor for the matrix A.M23 and A23  if A = 

A. M23 = 14 and A23 = -14 B. M23 = -14 and A23 = 14 C. M23 = -16 and A23 = -16 D. M23 = 16 and A23 = -16

Mathematics