Find a natural number b that makes the expression a perfect square trinomial.x2 - 12x + b
A. 6
B. 144
C. 12
D. 36
Answer: D
Mathematics
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Solve the problem.The median household income of single mothers is shown in the bar graph. Use the information given for the years 1995 and 2000, letting x = 5 represent 1995, x = 10 represent 2000, and y represent the median income, to write an equation in slope-intercept form that models the data.
A. y = 1555.4x + 30,502 B. y = 1555.4x + 22,725 C. y = -1555.4x + 14,948 D. y = 1555.4x + 14,948
Mathematics
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Round the money amount to the specified place.$3999.61 to the nearest dollar
A. $3000 B. $4 C. $3999.6 D. $4000
Mathematics
Find the length s. Round the answer to three decimal places.
A. 9.599 yd B. 10.559 yd C. 7.679 yd D. 8.639 yd
Mathematics