In the figure, lines a and b are parallel lines. Select all the statements that are true. a
b
1/2
75°/3
(x - 15)°/4
6/5
x = 120°
X = 90°
mZ1 = m_6
mZ1 + m26 = 180°
✓ mZ2 = m26

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

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