Solve the system using matrices.-7x - 4y = 714x - 9y = 61
A. (-6, -8)
B. (-5, -9)
C. (5, -8)
D. inconsistent system
Answer: B
Mathematics
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What property of addition is used in the equality?0 + 9 = 9
A. Additive-identity property B. Associative property C. Closure property D. Commutative property
Mathematics
State the conjugate of the given binomial.2m2 - 9n3
A. -2m2 + 9n3
B. -2m2 - 9n3
C. 2m2 + 9n3
D. 
Mathematics
Convert the units using unit fractions.19
gal = 
qt
A. 156 B. 76 C. 38 D. 78
Mathematics
Solve the application.A corporation's bank account has $6005 in it when the treasurer writes checks for $924, $2841, and $491. Then deposits of $1885 and $4966 are made. What is the new account balance?
A. The new account balance is $9091. B. The new account balance is $8600. C. The new account balance is $3410. D. The new account balance is -$3410.
Mathematics