Solve the equation.
- 7 = x
A. 
B. 
C. - 
D. - 
Answer: C
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Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 1.0 cm to 1.1 cm? (Use 3.14 for ?.)
A. 1.3 cm3 B. 1.5 cm3 C. 0.1 cm3 D. 1.1 cm3
Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 6i + y9z10j - y10z9k , S is the rectangular surface x = 0, -1 ? y ? 1, and -5 ? z ? 5, direction i
A. 20 B. 60 C. 120 D. 0
For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
(-6, 6
)
A. (12, 120°) B. (24, 120°) C. (12, 160°) D. (6, 300°)
Provide the proper response.To rationalize the denominator of an expression such as 
, we multiply both the numerator and the denominator by 
. By what number are we actually multiplying the given expression, and what property of real numbers justifies the fact that our result is equal to the given expression?
What will be an ideal response?