A book sold 36,900 copies in its first month of release. Suppose this represents 9.3% of the number of copies sold to date. How many copies have been sold to date?

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?