Select the graph that represents the given equation.x + 2y - z = 4
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.sin 2x - sin x = 0
A. 0, 2.09, 4.19 B. 0, 1.05, 3.14, 5.24 C. 1.05, 3.14, 5.24 D. 0, 2.09, 3.14, 4.19
Mathematics
Graph the solution set on a number line.{x|x ? 3}
A. 
B. 
C. 
D. 
Mathematics
Plot the complex number.7 + 
i
A. 
B. 
C. 
D. 
Mathematics
Estimate the sum or difference by rounding each number to the nearest ten.84 - 18
A. 70 B. 60 C. 100 D. 66
Mathematics