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A
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Given: Line m is parallel to line n.
Prove: Z1 is supplementary to Z2.
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Reason
Statement
S1 Line mis parallel to line n.
w
R1. Given
S2 22 23
R2
S3 m22 m23
R3
s
S4 21 and 23 form a Linear Pair
R4 Definition of Linear Pair
S5 21 is supplementary to 23
R5
S6m2 + m23 = 180°
R6 Definition of supplementary
S7
R7 Substitution Property of Equality
S8
R8 Definition of supplementary

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.