The following matrices represent the reduced echelon form of a system of equations. Find the solution given by these reduced matrices.(a) 
(b) 
(c) 
What will be an ideal response?
(a) 
(b) 
(c) No solution
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 3
Mathematics
Multiply.0.06 × 0.08
A. 0.0048 B. 0.48 C. 0.000048 D. 0.048
Mathematics
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
a = 2.1 cm, b = 1.3 cm
A. A = 53.7°, B = 36.3°, c = 2.5 cm B. A = 31.8°, B = 58.2°, c = 2.5 cm C. A = 38.2°, B = 51.8°, c = 3.4 cm D. A = 58.2°, B = 31.8°, c = 2.5 cm
Mathematics
Simplify the root, if possible.
A. 
B. -z + 1
C. z - 1
D. 
- 1
Mathematics