Perform the operation and simplify, or solve the equation for the variable.
- 
A. 
B. 
C. 
D. 
Answer: A
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Solve the system using Gaussian elimination. If (x, y) is the solution to the system, then give the value of 2x + y.
?
?
A. -17 B. -23 C. 23 D. 17 E. no solution
Answer the question.Consider the numbers 
, -24, -1, 
, 
, 0.
, 0.01. Which are irrational numbers?
A. 
, 0.
B. 
, 0.
C. 
D. 
Use a graphing calculator to graph the equation and identify the x-intercepts. If your answers are not exact, round to the nearest tenth.y = x2 + 5.2x + 5.3
A. x-intercept: (0, 5.2)
B. x-intercept: (0, 5.3)
C. x-intercepts: (-3.8, 0) and (-1.4, 0)
D. x-intercept: (1.4, 0) and (3.8, 0)
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 49°, b = 8, a = 27
A. one triangle A = 47°, C = 83°, c = 35 B. one triangle A = 48°, C = 84°, c = 36.5 C. one triangle A = 45°, C = 85°, c = 32 D. no triangle