A airplane is flying at an altitude of 20,000 feet when it begin its descent for landing. Ten minutes into its descent, it's at 15,000 feet. Find the rate of change in altitude in feet per minute. 500 feet per minute

-500 feet per minute

2 feet per minute

-2 feet per minute

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 range for 31,39,29,34,37,24,36,33,34,28

Landon wrote that 3−2.6=4. which statement about his answer is true?