Perform the row operation(s) on the given augmented matrix.R2 = -1r1 + r2 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find dy for the given values of x and ?x.y = 
; x = 2, ?x = 0.1
A. 6 B. 0.4 C. 4 D. 0.6
Mathematics
Solve the problem.
Global Transport built a new building and amortized $5,200,000 for 20 years at 
%. Find the monthly payment.
A. $42,484 B. $31,928 C. $236 D. $35,776
Mathematics
Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the equation in slope-intercept form.4x + 5y = 7
A. y = 
x - 
B. y = 4x + 8
C. y = 
x + 
D. y = 
x + 
Mathematics