Find div F.F(x, y, z) = (-8y - 2z)i + (-9x - 2z)j + (-9x - 8y)k
A. -16 - 18 - 4
B. 0
C. -16 - 4
D. -16 - 18
Answer: B
Mathematics
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Solve.3
= 4
A. no solution B. x = 7 C. x = 8 D. x = -7
Mathematics
Solve the equation in part (a) graphically, expressing the solution to the nearest hundredth. Then, use the graph to solve the associated inequalities in parts (b) and (c), expressing endpoints to the nearest hundredth.(a) 
= 0; (b) 
> 0; (c) 
< 0
A. (a) {0.86} (b) (0.86, ?) (c) (-?, 0.86) B. (a) {0.25} (b) (0.25, ?) (c) (-?, 0.25) C. (a) {1} (b) (1, ?) (c) (-?, 1) D. (a) {0.40} (b) (0.40, ?) (c) (-?, 0.40)
Mathematics
Simplify the complex rational expression using Method I or Method II.
A. 
B. x + 5
C. x - 5
D. 
Mathematics
Solve the formula for the specified variable.A = 
h(a + b)
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics