Find the product.(13p + 10)(13p - 10)
A. p2 - 100
B. 169p2 + 260p - 100
C. 169p2 - 260p - 100
D. 169p2 - 100
Answer: D
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Write the decimal point in the correct location. 7.48 × 1000 = 748000
A. 7480.00 B. 74,800.0 C. 748,000. D. 748.000
The following data, compiled by the admissions office at Faber College during the past 5 years, relate the number of college brochures and follow-up letters (x) sent to a preselected list of high school juniors who had taken the PSAT and the number of completed applications (y) received from these students (both measured in units of 1,000). x44.555.56y0.50.60.80.91.2? Determine the equation of the least-squares line for these data. Use the result obtained to predict the number of completed applications that might be expected if 6,800 brochures and follow-up letters are sent out during the next year. ?
A. 
; 1,412 applications
B. 
; 1,364 applications
C. 
; 1,387 applications
D. 
; 1,378 applications
Solve.The difference of a number and 6 is the same as 38 less the number. Find the number.
A. -16 B. 16 C. 22 D. -22
Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1