Provide an appropriate response.A line passes through the points (4, 3) and (4, 4). The equation of this line is 
. The slope of the line is 
.
A. y = 4; 0
B. x = 4; undefined
C. y = 4; undefined
D. x = 4; 0
Answer: B
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Solve. Round to the nearest percent if necessary.One share of stock which originally sold for $190 now sells for $171. What is the percent of decrease?
A. 19% B. 90% C. 10% D. 11%
Solve the equation.
x = 
A. 
B. {-2}
C. 
D. {2}
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(2, 3), (3, 2), (-2, -3), (-3, -2)} B. {(2, 3), (-2, 3), (2, -3), (-2, -3)} C. {(-2, -3), (-3, -2)} D. {(2, -3), (2, 3)}
Find the remaining sides and angles of the triangle ABC, with right angle at C. Round to the nearest tenth if necessary.B = 30.7°, a = 2.7
A. A = 59.3°, b = 3.3, c = 4.3 B. A = 59.3°, b = 1.6, c = 3.1 C. A = 59.3°, b = 0.5, c = 2.7 D. A = 59.3°, b = 3.3, c = 3.1