Find the unit vector that has the same direction as the vector v.v = 12i + 5j
A. u = 156i + 65j
B. u = 
i + 
j
C. u = 
i + 
j
D. u = - 
i - 
j
Answer: C
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Evaluate the surface integral of G over the surface S.S is the dome z = 6 - 8x2 - 8y2, z ? 0; G(x, y, z) = 
A. 72
B. 72?
C. 6?
D. 
?
Simplify the expression using the order of operations.36 - 5 ? 2
A. 62 B. 26 C. 108 D. 46
Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.The shape of a barbecue pit is like a parallelogram with height of 30 in. and a base of 38 in. It costs $0.80 per ft2 to fill the pit with charcoals. How much totally does it cost?
A. $76.00 B. $6.33 C. $912 D. $25.33