In a different plan for area codes, the first digit could be any number from 1 through 7, the second digit was either 4, 5, 6, or 7, and the third digit could be any number except 2. With this plan, how many different area codes are possible?

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.

Find the nonpermissible replacement for binthis expression.b2/5b +5

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool