Graph the system of inequalities, and find the coordinates of the vertices.3y - x ? 9,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Answer: A
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Find the center and radius of the sphere.(x + 4)2 + (y + 5)2 + (z + 10)2 = 
A. C(-4, -5, -10), a = 
B. C(4, 5, 10), a = 
C. C(-4, -5, -10), a = 
D. C(4, 5, 10), a = 
Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 40 days?
A. $0.40 B. $4.10 C. $8.20 D. $16.40
Solve the problem.The position of a particle moving along a coordinate line is s = 
, with s in meters and t in seconds. Find the particle's velocity at 
A. 
m/sec
B. - 
m/sec
C. 
m/sec
D. 
m/sec
List all the elements of B that belong to the given set.B = {11, 
, -14, 0, 
, 
, 0.37, -5?, 0.444......}Positive rational numbers that are not integers
A. 11, 0.37, 0.444.....
B. 0.37
C. 
, 0.37, 0.444.....
D. 0.37, 0.444.....