7. A cube has a face with the area of 49 cm2. What is the total surface area of the cube?

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

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.

Identify the number 127 as a rational or irrational. explain