Use the graph to estimate the solution of the system of equations.4x - 7y = 10 x + 7y = 0
A. ?
B. 
C. 
D. {(x, -7y)}
Answer: C
Mathematics
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Simplify.
A. 1
B. 
C. 
D. 12
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. y = 2.81 + 1.35x B. y = 92.3 - 0.669x C. y = -47.3 + 2.02x D. y = 11.7 + 1.02x
Mathematics
Evaluate the trigonometric function for the given value of t.tan t, t = 
A. 
B. -1
C. 
D. 1
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
Mathematics