Factor.x2 + 30x + 225
A. (x - 15)2
B. (x + 15)2
C. x2 + 30x + 225
D. (x + 15)(x - 15)
Answer: B
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Find the values of x for which the geometric series converges.
A. 0 < x < 
B. 0 < x < 1
C. - 
< x < 
D. - 1 < x < 0
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The Oak House had a markup of $23.24 on an oak table that they sold for $70.99. Find (a) the cost, (b) the markup on cost, and (c) the selling price as a percent of cost.
A. $47.75, 48.7%, 148.7% B. $70.99, 32.7%, 305.5% C. $47.75, 32.7%, 67.3% D. $94.23, 24.7%, 75.3%
Write the number in words.500,127
A. five hundred one thousand, twenty-seven B. five hundred thousand, one hundred twenty-seven C. fifty thousand, one hundred twenty-seven D. five thousand, one hundred twenty-seven
Multiply using a special product formula.(x + 9)2
A. 81x2 + 18x + 81 B. x2 + 18x + 81 C. x + 81 D. x2 + 81