Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.x - 2y = 8-3x + 6y = - 24
A. 
B. ?
C. 
D. 
Answer: D
Mathematics
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Decide whether the expression is or is not an identity.sin2 
= 
A. Identity B. Not an identity
Mathematics
Provide an appropriate response.Use sets to illustrate the transitive property of "less than."
What will be an ideal response?
Mathematics
Determine whether the statement is true or false.
< 15
A. False B. True
Mathematics
Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 1.05 ohm when the diameter is 1 mm and the length is 210 cm, what is the resistance when the diameter is 4 mm and the length is 2220 cm?
A. 145.688 ohm B. 2.775 ohm C. 138.75 ohm D. 0.694 ohm
Mathematics