The manager of a biological supply company runs a breeding facility for baby rats. At the beginning of a week, there were 1134 baby rats. The table shows the number of new rats born each day of the week and the number that were sold. How many rats were left at the end of the week?
Mon Tue Wed Thur. Fri. Sat.
433
622 478 580
233
586 186
Born
558
544
Sold
705
450
542

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

What is the 12th term of b(n)=-4-2(n-1)