Solve the system by back substitution.x + 4y+ 4z = -11 2y + 5z = -21 2z = - 10
A. (1, 2, -5)
B. No solution
C. (1, -5, 2)
D. (-6, 2, -5)
Answer: A
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Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 2 units to the right
A. y = 
+ 2
B. y = 
- 2
C. y = 
D. y = 
Completely factor the polynomial or state that the polynomial is prime.(13 - x)3 - x3
A. (13 - 2x)(3x2 - 13x + 169) B. (13 - 2x)(x2 - 13x + 169) C. (13 + 2x)(x2 - 13x + 169) D. (13 - x)(x2 - 13x + 169)
Solve the problem.The finance charge on a loan taken out by Ximena is $505. If there were 18 equal monthly installments needed to repay the loan, and the loan is paid in full with 12 months remaining, find the total finance charge paid. (Round answer to the nearest cent.)
A. $505.00 B. $230.35 C. $274.65 D. $62.02
Graph the equation.25x2 - 9y2 = 225
A. 
B. 
C. 
D. 