What is the minimum length padder that a worker needs to access a landing nine feet above the adjacent floor

Which statement about the consumer groups that influence fashion is true?

Why were renaissance artists influenced by ancient greek and roman temples and buildings?

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1