A building has a square courtyard that has a length of 28 meters. In the center of the courtyard, there is a fountain whose radius is 13 meters. The building owner wants to cover the area around the fountain with grass. What is the area of the courtyard that will be covered with grass?A.253.34 square meters.530.66 square meters.702.36 square meters.784 square meters

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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?

Consider circle c with angle acb measuring 3/4 radians. if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.