Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
+ 
Answer: C
Mathematics
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Solve the equation.1 - 
= 
A. 
B. -2
C. - 
D. 2
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Write the expression as a Hindu-Arabic numeral.8(103) + 4(102) + 0(101) + 8(100)
A. 848 B. 84,080 C. 8408 D. 8480
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Find the amount of the ordinary annuity rounded to the nearest cent.
A. $62,358.95 B. $24,689.95 C. $30,358.94 D. $56,689.95
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Tell whether the angle is acute, right, obtuse, or straight.
A. Obtuse B. Right C. Straight D. Acute
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