Provide an appropriate response.Solving for which variable in which equation involves the least amount of work? 5x - 7y = -60-9x - 3y = 30
A. x in equation 1
B. y in equation 1
C. x in equation 2
D. y in equation 2
Answer: D
Mathematics
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Write as a percent.5.7
A. 0.57% B. 0.0057% C. 570% D. 57%
Mathematics
Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. x2 + 2
B. x2 + 8
C. 
D. 
Mathematics
Without using a graphing calculator, match the graph with its equation. h(x) = -2.4(1.3)x
A. 
B. 
C. 
D. 
Mathematics
Find a QR factorization of the matrix A.A = 
A.
Q = 
, R = 
B.
Q = 
, R = 
C.
Q = 
, R = 
D.
Q = 
, R = 
Mathematics