GCF and LCM of Integers and Monomials Draw a factor tree for each term. Then, use the least number of each prime factor that appears.
in one of your factorizations to build the GCF. 1) 528, 704, 176 2) 434, 868, 651
3) 267, 623, 801 4) 336, 648, 816
5) 342n, 684n, 513n 6) 342a, 570b, 228
7) 273x
2
, 156x, 429x
2 8) 270m
3n, 360m
2n, 810mn
Draw a factor tree for each term. Then, use the greatest number of each prime factor that
appears in one of your factorizations to build the LCM. 9) 30, 63, 12 10) 60, 28, 46
11) 80, 72, 64 12) 92, 46, 69
13) 51a
2b, 36b
2
, 33a
2b 14) 35a
2
, 55ab, 30
15) 84y, 84x
2y, 42xy
2 16) 46b, 46, 92a

(20 points) a bank has been receiving complaints from real estate agents that their customers have been waiting too long for mortgage confirmations. the bank prides itself on its mortgage application process and decides to investigate the claims. the bank manager takes a random sample of 20 customers whose mortgage applications have been processed in the last 6 months and finds the following wait times (in days): 5, 7, 22, 4, 12, 9, 9, 14, 3, 6, 5, 15, 10, 17, 12, 10, 9, 4, 10, 13 assume that the random variable x measures the number of days a customer waits for mortgage processing at this bank, and assume that x is normally distributed. 2a. find the sample mean of this data (x ě…). 2b. find the sample variance of x. find the variance of x ě…. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (îľ). 2d. test the hypothesis that îľ is equal to 7 at the 95% confidence level. (should you do a one-tailed or two-tailed test here? ) 2e. what is the approximate p-value of this hypothesis?