Write an algebraic expression for the quantities being compared.The first angle of a triangle is triple the third angle. The second angle of a triangle is 31 degrees less than the third angle.
A. first angle = x
second angle = x - 31
third angle = 3x
B. first angle = 3x
second angle = x - 31
third angle = x
C. first angle = x - 31
second angle = 3x
third angle = x
D. first angle = 3x + 31
second angle = x - 31
third angle = x
Answer: B
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Solve the problem.What domain D in space maximizes the value of the integral 
D
A. No such minimum domain exists.
B. D = the boundary of the ellipsoid 
.
C. D = the boundary and interior of the ellipsoid 
.
D. D = ?3
Write the first four terms of the sequence.an = 
A. a1 = 1, a2 = 
, a3 = 
, a4 = 
B. a1 = 5, a2 = 
, a3 = 
, a4 = 
C. a1 = 
, a2 = 
, a3 = 
, a4 = 
D. a1 = 1, a2 = 
, a3 = 
, a4 = 
Provide an appropriate response.Solve the system of equations using the substitution method: 3a - b = 3 a + b = 5
A. a = 3, b = 2 B. a = 4, b = 9 C. a = 4, b = 1 D. a = 2, b = 3
Match the graph of the parabola with the appropriate equation.
A. y = x2 + 4 B. y = x2 - 4 C. x = y2 + 4 D. x = y2 - 4