Write the number in standard notation.A light-year is a measure of length defined as the distance that light travels in one year, which is about 
miles. Write this number in standard notation.
A. 5.900000000000
B. 5,900,000,000
C. 0.0000000000059
D. 5,900,000,000,000
Answer: D
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Use substitution to determine whether the given ordered pair is a solution of the given equation.(2, 4); y = -2x + 8
A. Yes B. No
Simplify the expression. Assume that all variables represent nonnegative real numbers.10
- 
+ x
A. 
(5x2 - 2x + 4y)
B. 
(-5x2 + 2x + 4y)
C. 
(-2x2 + 5x + 10y)
D. 
(2x2 - 5x + 10y)
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = -3(y - 3)2 - 3 
A. 
opens left; vertex (-3, 3);
axis of symmetry y = 3
B. 
opens left; vertex (3, 3);
axis of symmetry y = 3
C. 
opens right; vertex (3, 3);
axis of symmetry y = 3
D. 
opens right; vertex (-3, 3);
axis of symmetry y = 3
Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions?x + y = 9x + y = 6
A. (i) dependent (ii) one line (iii) infinite number of solutions B. (i) inconsistent (ii) parallel lines (iii) no solution C. (i) neither (ii) intersecting lines (iii) one solution