Use mental math to find the missing number. 280 - 70 = 28 tens = 7 tens =
280 = 70 = 28 tens - 7 tens =

Can someone check my answer? you

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.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?