Solve for the variable.
y - 4 = 
y
A. y = 60
B. y = 120
C. y = -60
D. y = -120
Answer: A
Mathematics
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.2
- 2i
A. 4(cos 30° + i sin 30°) B. 4(cos 150° + i sin 150°) C. 4(cos(330°) + i sin(330°)) D. 4(cos(-60°) + i sin(-60°))
Mathematics
Find the graph that matches the given system of equations.2x + y = -8 x + y = -7
A. 
B. 
C. 
D. 
Mathematics
Express the decimal as a percent.0.047
A. 4.7% B. 47% C. 0.47% D. 0.047%
Mathematics
Simplify ?28.
 figure 1.png)
Mathematics