Name the quadrant in which the angle ? lies.sin ? > 0, cos ? > 0
A. I
B. II
C. III
D. IV
Answer: A
Mathematics
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Find all the roots of the complex number. Put answers in standard form.Cube roots of 8
A. 2, -1 + 
j, -1 - 
j
B. 2, -1 - 
j, 1 - 
j
C. 2, 1 + 
j, -1 - 
j
D. 2, 1 + 
j, 1 - 
j
Mathematics
Solve the system by the substitution method. Be sure to check all proposed solutions. x + 2y = 146x + 3y = 21
A. {(-7, 0)} B. {(0, 7)} C. {(1, 6)} D. ?
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics
Use the table to solve the equation.5 - 2x = 1
A. x = 1 B. x = 4 C. x = 1.5 D. x = 2
Mathematics