Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + y = 84x + 4y = 32
A. Cramer's rule does not apply since D = 0; ?
B. {(1, 7)}
C. Cramer's rule does not apply since D = 0; {(8 - y, y)}
D. {(0, 0)}
Answer: C
Mathematics
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A. - 
B. 
C. - 
D. 
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Using the addition/subtraction method, find the value of x and y to satisfy the following equations: x - 5y = 4; 2x - 3y = -6
a. x = 6 y = 2 b. x = -6 y = -2 c. x = -2 y = -6 d. x = 2 y = 6 e. x = -2 y = -2
Mathematics
?Use the properties of logarithms to expand 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Read the measurement shown on the metric micrometer.
A. 0.82 mm B. 0.622 mm C. 6.22 mm D. 7.22 mm E. 6.72 mm
Mathematics