Evaluate.-30 - (- 150)
A. 120
B. 180
C. -120
D. -180
Answer: A
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Subtract using columns.Subtract (7x + 5) from (6x - 1).
A. 13x + 4 B. x + 6 C. -x + 4 D. -x - 6
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 - 7 = yy + 6 = x
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
Factor.t2 + 
t + 
A. 
2
B. Prime
C. 
D. 
2
Find the value of the expression.Let logb A = 3 and logb B = -4. Find logb 5
.
A. 1.644
B. -1.644
C. -0.200
D. 5