Use the given info to write an equation for a parabola. The parabola has focus (4,-1) and directrix y=-4.

your answer is d 2,500

step-by-step explanation:

no

step-by-step explanation:

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm