Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write in exponential form. Assume all variables are positive real numbers.
A. x3/5 B. x5/3 C. 5x3 D. 3x5
Mathematics
Find the present value or future value. Round to the nearest cent.Present Value: 
Interest Rate: 7.4%Time: 158 daysFuture value: $121
A. $117.14 B. $107.55 C. $117.19 D. $117.74
Mathematics
Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 
x
A. 
; 
2
B. 
; 
2
C. 
; 
2
D. 
; 
2
Mathematics
Factor completely, or state that the polynomial is prime.x2 + 2x - 35
A. (x - 7)(x + 1) B. prime C. (x + 7)(x - 5) D. (x - 7)(x - 5)
Mathematics