Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
Answer: B
Mathematics
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Convert as indicated.9 ft to inches
A. 36 in. B. 324 in. C. 108 in. D. 27 in.
Mathematics
Solve the equation. Give an exact solution.log(x + 20) = 1
A. 20 B. 1 C. -10 D. 10
Mathematics
Use a calculator to find the logarithm. Give an approximation to four decimal places.log(4.51 × 103)
A. 3.0020 B. 3.6542 C. -2.3458 D. 0.6542
Mathematics
Determine the x-intercept(s) of the quadratic function 
.
A. 
B. 
C. no x-intercept(s)
D. 
E. 
Mathematics