Find the difference.8 - 15
A. -23
B. -7
C. 7
D. 23
Answer: B
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Find the flux of the curl of field F through the shell S.F = x4i + 9xj + 7k; S is the upper hemisphere of x2 + y2 + z2 = 16
A. 16 B. 16? C. 144? D. ?
Solve the problem.The kinetic energy K of a mass is proportional to the square of its velocity v. If K = 7200 joules when 
what is K when v = 8 m/sec?
A. 3520 joules B. 3200 joules C. 3840 joules D. 2560 joules
Solve the problem.A company manufactures three products. The graph shows the production from 1986 to 1996. In what year did the production of A equal the production of B?
A. 1991 B. 1996 C. 600,000 D. 650,000
Graph the circle. State the center and radius of the circle.(x + 3)2 + (y - 2)2 = 16
A. center (-3, -2); r = 4
B. center (3, -2); r = 4
C. center (-3, 2); r = 4
D. center (3, 2); r = 4