Solve the system of equations.
A. (0, 6), (-7, 0)
B. (0, -6), (7, 0)
C. (0, 7), (0, -6)
D. (0, -7), (6, 0)
Answer: A
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Find fx, fy, and fz.f(x ,y, z) = sin (xy) cos (yz2)
A. fx = y cos (xy) cos (yz2); fy = z2 sin (xy) sin (yz2)- x cos (xy) cos (yz2); fz = 2yz sin (xy) sin (yz2) B. fx = y cos (xy) cos (yz2); fy = x cos (xy) cos (yz2) - z2 sin (xy) sin (yz2); fz = -2yz sin (xy) sin (yz2) C. fx = y cos (xy) cos (yz2); fy = x cos (xy) cos (yz2); fz = -2yz sin (xy) sin (yz2) D. fx = y cos (xy) cos (yz2); fy = x cos (xy) cos (yz2) - z2 sin (xy) sin (yz2); fz = 2yz sin (xy) sin (yz2)
Find the exact value of the expression using the provided information.Find sin(s - t) given that cos s = 
, with s in quadrant I, and 
with t in 
A. 
B. 
C. 
D. 
Simplify.(3 - 
)2
A. 13 + 
B. 9 + 
C. 14 - 6
D. 14 + 6
Translate the sentence into a multiplication or division statement and solve.Divide -63 by -9.
A. -7 B. -8 C. 7 D. 8