Solve.Three-fourths a number decreased by one is between negative seven and sixteen. Find all such numbers.
A. 
< x < - 8
B. - 
< x < 
C. 
< x < 
D. - 8 < x < 
Answer: D
Mathematics
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Identify the type of surface represented by the given equation. y2 + z2 = 4
A.
| Paraboloid |
B.
| Parabolic cylinder |
C.
| Cylinder |
D.
| Ellipsoid |
Mathematics
Find the required value by setting up the general equation and then evaluating.Find y for x = 3 and z = 4 if y varies directly as x and inversely as z, and y = 72 when x = 6 and 
A. 90
B. 120
C. 
D. 
Mathematics
Solve the problem.A circle of radius r is inscribed in a square with sides 2r as shown in the figure. Express the shaded area in terms of r and ? as a completely factored polynomial.
A. 
(4 - r)
B. 
(2 + ?)(2 - ?)
C. 
(2-?)2
D. 
(4 - ?)
Mathematics
Provide an appropriate response.Which of the following items is undefined and why?csc-1 
or cos-1 
What will be an ideal response?
Mathematics