What is the diameter radius are and circumference of this circle

Which of the following represents the length of a diagonal of this trapezoid?

The graph of a curve that passes the vertical line test is a:

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). line m has no y-intercept, and its x-intercept is (3, 0). line n has no x-intercept, and its y-intercept is (0, -4). the equation of line m is , and the equation of line n is .