Solve.There were 23
yards of wire on a spool. After a customer bought 9
yards of wire from the spool, how many yards were left?
A. 14
yards
B. 13
yards
C. 13 yards
D. 12
yards
Answer: B
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Find the radius of convergence and the interval of convergence of the power series. ] Select the correct answer.
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Solve for x in the proportion. If possible, reduce the known fraction first.
= 
A. x = 6 B. x = 9 C. x = 4 D. x = 24
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? 2x - y = 5-2x + 2y = 10
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
Evaluate.|-x| if x = 6
A. -1 B. -6 C. 1 D. 6