What is the value of the expression if z=27? 7/9z-18+1/3z
A. 12
B. 30
C. 48
D. 84

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Answer for 10 points show work you guys in advanced < 3