Classify as an expression or an equation.9x + 7y
A. Equation
B. Expression
Answer: B
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 8i + y3z7j - y7z3k , S is the rectangular surface x = 0, -7 ? y ? 7, and -10 ? z ? 10, direction i
A. 2,240 B. 280 C. 1,120 D. 0
Express the polar coordinates in Cartesian coordinates.
A. 
B. 
C. 
D. 
Find the conjugate of the complex number. Then multiply the complex number by its conjugate.8 - 5i
A. 13; 89 B. 3; 89 C. 8 - 5i; 89 D. 8 + 5i; 89
The pressure P, in lb/ft2 , a liquid exerts at a given point on a submarine is directly proportional to the depth d, in feet, of the point below the surface of the liquid. When a given point is 3 ft below the surface of the liquid, the pressure is 187.5 lb/ft2 . Find an equation of variation expressing P as a function of d.
What will be an ideal response?