Find the product and write the result in standard form.(3 + 6i)(3 - 6i)
A. 45
B. 9 - 36i
C. 9 - 36i2
D. -27
Answer: A
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = xyi + yzj + xzk , S is the surface of the rectangular prism formed from the coordinate planes and the planes x = 1, y = 4, and z = 1, direction away from the origin
A. 6 B. 2 C. 24 D. 12
Solve the problem.Water is discharged from a pipeline at a velocity v given by 
where p is the pressure (in psi). If the water pressure is changing at a rate of 
find the acceleration (dv/dt) of the water when 
A. 108 ft/s2 B. 59.3 ft/s2 C. 1990 ft/s2 D. 36.2 ft/s2
Multiply or divide measurement numbers, rounding to the correct precision.9 ft × 13 ft
A. 137 sq ft B. 127 sq ft C. 117 sq ft D. 107 sq ft
Find the value of x:
8 2x Ä = ÄÄ x 16 a. 8.0 b. 11.3 c. 16 d. 19.8 e. 23.9