Complete the trinomial product with mental multiplication.
A) 6
B) 3
C) 5
D) 8
E) 9
C) 5
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 
D. 
= 0
Mathematics
Find the equation of the hyperbola satisfying the given conditions.Vertices (0, ±22); asymptotes y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.The polynomial function I(t) = -0.1t2 + 1.8t represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 9 B. 8 C. 12.00 D. 18
Mathematics
Solve the system.x - y + 3z = -14-4x + 4y - 12z = -3x + 2y + z = -13
A. (0, -5, -3) B. (-3, -5, 0) C. No solution D. (-3, 0, -5)
Mathematics