Factor when possible. If the polynomial is prime, say so.a2 - 6ab - 16b2
A. (a - 2b)(a + 8b)
B. (a + 2b)(a - 8b)
C. (a - 2b)(a + b)
D. prime
Answer: B
Mathematics
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Solve the problem.Evaluate 
at t = 
? for the function w(x, y, z) = 
; x = sin t, y = cost, z = t2.
A. - 
B. - 
C. - 
D. 
Mathematics
Graph the integrand and use geometry to evaluate the integral.
A. 40 B. 10 C. 20 D. 80
Mathematics
Find the volume of the solid. Use 
for ?. 
A. 14 cu cm B. 36 cu cm C. 4 cu cm D. 108 cu cm
Mathematics
Solve the problem.The function given by f(x) = k2x/12 can be used to determine the frequency, in cycles per second, of a musical note that is x half-steps above a note with frequency k. Find the frequency of the note that is 4 half-steps above middle C (262 cycles per second).
A. 2096 cycles per second B. 330 cycles per second C. 8 cycles per second D. 349 cycles per second
Mathematics