Solve. m – 9 = -7
A) 7
B) –2
C) 16
D) 2
E) 9
D) 2
Mathematics
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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 0.44 ohm when the diameter is 1 mm and the length is 220 cm, what is the resistance when the diameter is 2 mm and the length is 2370 cm?
A. 592.5 ohm B. 260.7 ohm C. 2.37 ohm D. 1.185 ohm
Mathematics
Find a ? b.a = 4i + 5j, b = 2i + 4j
A. 
B. 28
C. 
D. 12
Mathematics
Provide an appropriate response.Can the sum be simplified without first simplifying the individual radical expressions?3
- 10
A. No B. Yes
Mathematics
Find the phase shift.y = -3 sin
A. 
units to the right
B. 3? units up
C. 
units to the left
D. 4? units down
Mathematics