Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid
B. Paraboloid
C. Sphere
D. Elliptical cone
Answer: A
Mathematics
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Provide an appropriate response.Use a metric ruler to measure the line below to the nearest millimeter: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the value of the variable that satisfies the equation.
x - 3 = 1
A. x = 4 B. x = 8 C. x = -8 D. x = -4
Mathematics
Multiply. Simplify, if possible.2
? 
A. 6
B. 1
C. 2
D. 
Mathematics
Find the integral using an appropriate trigonometric substitution.
Mathematics