The sketch shows three adjacent angles 28
Part A
Which equation can be used to determine the value of
18036
28" y
360 28 +36 +
36' + + 28' 90
3 clan
28" + y +36
180
Addo
Part
What is the value of ?
The sketch shows 3 adjacent angles. Which equation can we use to determine the value of why? 28 Y 36

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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?