Given  figure 1.png)
, solve 2X - A = 3B, for X.
 figure 2.png)
 answer.png)
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find zw.
A. 5(cos 60° + i sin 60°) B. 50(cos 30° + i sin 30°) C. 50(cos 60° + i sin 60°) D. 5(cos 30° + i sin 30°)
Mathematics
In how many ways can you be dealt four cards from an ordinary deck of 52 cards? ?
A. 269,286 B. 270,725 C. 271,668 D. 270,735 E. 269,450
Mathematics
Solve the system using Gaussian elimination. x + y + 9z = 102x + y + 12z = 17
A. {(7, 3, 0)}
B. {
z is any real number}
C. ?
D. {
z is any real number}
Mathematics