Trigonometric functions . what is the length of side ad? type the correct answer rounded to the nearest whole number. pls

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1