Use the Pythagorean Theorem to find the length of the missing side.
A. 25
B. 18
C. 24
D. 13
Answer: A
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Parametrize the surface S.S is the portion of the cone 
+ 
= 
that lies between z = 2 and z = 5.
What will be an ideal response?
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 4 cos ?
A. 
x2 + (y - 2)2 = 4; circle, radius 2,
center at (0, 2) in rectangular coordinates
B. 
(x + 2)2 + y2 = 4; circle, radius 2,
center at (-2, 0) in rectangular coordinates
C. 
x2 + (y + 2)2 = 4; circle, radius 2,
center at (0, -2) in rectangular coordinates
D. 
(x - 2)2 + y2 = 4; circle, radius 2,
center at (2, 0) in rectangular coordinates
Use NINT on a calculator to find the numerical integral of the function over the specified interval.f(x) = 2tan x ; 
A. -1.7123184 B. 1.28768156 C. -0.28768156 D. 0.28768156
Factor. Check by multiplying.15 - 10x
A. 5(3 - 10x) B. 5(3 - 2x) C. (3 - 2)5x D. 5(2 - 3x)