Which of the following quadrilaterals have perpendicular bisects and why? square, rectangle, parallelograms, isosceles trapezoids, rhombus

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?