Solve the system by addition. 8x + 6y = -36-6x + 3y = -18
A. ?
B. {(0, -5)}
C. {(-1, -5)}
D. {(0, -6)}
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (8t3 - 10)j + 
k
A. a(0) = 2i + 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i - 
k
Mathematics
Establish the identity.
= tan(2?)
What will be an ideal response?
Mathematics
Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 
A. Positive B. Negative C. Zero
Mathematics
Round as indicated.9585 to the nearest hundred
A. 9500 B. 9600 C. 9700 D. 9590
Mathematics