Solve using the addition principle.9 = z + 3
A. -12
B. 6
C. -6
D. 12
Answer: B
Mathematics
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Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. no solution B. (1, 3, 5) C. (1, 5, 3) D. (3, 5, 1)
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 
C. h = 2?(S - r)
D. h = 
- 1
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors. log10
A. log1017 ÷ log103 B. log103 - log1017 C. log1017 - log103 D. log1017 + log1017
Mathematics
Solve the equation.Let f(x) = 
. Find all x for which f(x) = -3.
A. 
B. 
C. ?
D. 
Mathematics