?Use Gaussian elimination method to solve the system of linear equations.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?inconsistent system
Answer: C
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Solve for a: a = log 306
a. a = 2.5 b. a = 3.1 c. a = 102ú5 d. a = 5.2 e. a = 1.8
Convert the measurement as indicated.65 qt to gallons
A. 32
gal
B. 130 gal
C. 16
gal
D. 64 gal
Solve the inequality and graph the solution.
> 4
A. 
B. 
C. 
D. 
An electronics store manager stocks from 30 to 40 IBM-compatible computers and from 40 to 50 Macintosh computers. There is room in the store to stock up to 80 computers. The manager receives a commission of $40 on the sale of each IBM-compatible computer and $30 on the sale of each Macintosh computer. If the manager can sell all of the computers, find the maximum commission. Inventory IBM MacintoshMinimum 30 40Maximum 40 50Commission $40 $30
A. $2,900 B. $2,500 C. $3,200 D. $2,800 E. $2,600