Which data set could be represented by the histogram?
a. {63, 63, 67, 71, 73, 73, 75, 81, 84, 86, 87, 89, 94, 99, 99)
b. {61, 63, 66, 69, 78, 79, 80, 89, 90, 91, 92, 92, 94, 96, 97)
c. (62, 64, 65, 65, 67, 68, 82, 83, 88, 88, 89, 91, 99, 99, 100)
d. {60, 60, 63, 67, 68, 81, 83, 86, 86, 88, 89, 91, 94, 97, 97)

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality