A windshield wiper blade is 18 inches long. To the nearest square inch, what is the area covered by the blade as it rotates through an
angle of 122 degrees? (Enter just a number for your answer.)

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?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position