Solve the system using determinants.2x + 3y - z = 23x - 3y + 5z = 215x + y + z = 49
A. (8, 4, 5)
B. (8, -4, -5)
C. (9, 2, 5)
D. (4, 5, 4)
Answer: A
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Simplify. Assume radicands of square roots are positive.(
)2
A. 6x
B. 3x
C. 9x2
D. 
Solve.Jim has a 3-year car lease that allows him to buy the car at the end of the lease for 
plus 14 cents a mile for each mile the car is driven over 30,000 miles. If at the end of the lease the mileage on Jim's car is 34,500.5 miles, how much will it cost Jim to buy the car?
A. $689.07 B. $68,907 C. $6530.07 D. $653,007
The following spinner is used to play a board game. Expressing your answer as a fraction in simplest form, what is the probability that the spinner will land on the specified place? 
Find the probability that the spinner points toward an odd number.
A. 
B. 
C. 
D. 1
Perform the matrix multiplication.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 