Problem solving is a skill particularly used in:
a. the arts and humanities courses.
b. math and science courses.
c. english and writing courses.
d. foreign language courses.

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?