Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (3, -1)
B. (0, 3)
C. (0, -1)
D. empty set; inconsistent system
Answer: D
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Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s), y = h(t), z = k(r, s, t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Find the standard deviation of the data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Find the standard deviation. Round to four decimal places.0.309 0.35 0.488 0.331 0.262 0.115 0.288
A. 0.6561 m B. 0.1114 m C. 0.3310 m D. 0.7305 m
Find the factors of the number.72
A. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 B. 1, 2, 3, 4, 8, 9, 18, 24, 36, 72 C. 1, 2, 3, 6, 8, 9, 12, 24, 36, 72 D. 1, 2, 4, 6, 8, 9, 12, 18, 36, 72
Find the coefficient of the given term in the binomial expansion.x4y11 term, (x + y)15
A. 455 B. 1365 C. 5460 D. 4