Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1
B. y = -4, m = 0
C. x = -4, m = 0
D. y = x - 4, m: undefined
Answer: B
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Simplify the algebraic expression.8ab - 4ab - ab - 15
A. 4ab - 16 B. 3ab - 15 C. 4ab - 15 D. 4ab - ab - 15
Evaluate.Find (f + g)(4) when f(x) = x - 5 and g(x) = x + 3.
A. 16 B. 0 C. 10 D. 6
Determine whether the equation has real number solutions.8y2 = -3y - 8
A. Real solutions B. No real solutions
Consider a soldier facing in a given direction (say north). Let us denote "left face" by l, "right face" by r, "about face" by a, and "stand fast" by f. (The element f means "don't move from your present position". It does not mean "return to your original position"). Then we define 
and an operation 
meaning "followed by". Thus,
data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__5.1_Natural_Numbers__media__ca9d2d92-10f1-49f6-954f-2c539022d637.PNG" style="vertical-align: middle;" /> means "left face" followed by "left face" and is the same as the single command "about face". Complete the following table.
a f l r a________________________________________ f________________________________________ l____________________ a__________ r________________________________________
What will be an ideal response?