Rosa has 16 pieces of ribbon that she is using for a project. if each piece of ribbon is 5/8-yards, how many yards of ribbon does rosa has?

Measures of the angle of r, 31 s (x+4) t (3x+9)

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.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry