Provide an appropriate response.Consider the linear equation in three variables x - y + z = 4. Find a pair of linear equations that, when considered together with the given equation, will form a system having infinitely many solutions.
What will be an ideal response?
Answers will vary. One example: 
and 
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Solve the problem.Find the center of mass of the solid enclosed between the cone with equation 
and the plane with equation 
if the density at any point is proportional to the distance from that point to the axis of the cone.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Find the area of the specified region.Inside the six-leaved rose r2 = 8 cos 3?
A. 16
B. 8
C. 4
D. 
Solve the problem.A woman deposits $447 in the bank, and each month afterward deposits 4% more than the month before. How much did she deposit for the year?
A. $715.66 B. $6028.40 C. $12.48 D. $6716.54
Provide an appropriate response.The primary mortgage on a home is called the:
A. FNMA B. collateral C. real mortgage D. first mortgage